Olympus E-620

I bought this camera the day it hit the shelves. I have been an avid Olympus user for years because I have really come to appreciate the innovation of their cameras, the benefits of the 4x3 dimensions of images, and the compact size. Carrying heavy cameras and lenses for 10 hours at a wedding gets to be pretty tedious. The E-620 solves that for me while still providing the necessary professional aspects I have come to expect from cameras. With the battery grip on, this camera is the perfect balance of size and heft for me.
I feel very comfortable carrying this little gem around all day at my shoots. It is powerful, looks and feels professional, and makes fantastic images. I have always been the type that can't wait for the next camera body to come out so I can upgrade. However, I plan on wearing this little beauty out first. I have honestly never loved a camera so much since using my Hasselblad when I shot film years ago.
The power of this camera is worth more that twice its price. I can't believe how much I can do with this camera for its price point. Many professionals pay significantly more for their DSLRs. Honestly, the output I get from the E-620 can compete with the best of them.
I also want to comment on the excellent jpgs that come from this camera. While I have always been a fan of shooting raw, I have learned to refine my shooting even more (similar to how we all use to do it in the film days) so that I can shoot jpg more and the image is great coming right out of the camera. During busy wedding season I often don't have the time necessary to spend countless hours processing the raw files. As a result I have come to appreciate the fabulous jpg engine in this camera. The colors have a great balance of contrast, dynamic range, color saturation, and accurate color balance. This allows me to spend more time shooting and less time processing when times are busy.
Another amazing feature is the wireless flash capability. I take a bunch of Olympus flashes with me to my shoots. I can put them on light stands all over and they sync with the camera allowing me to truly control the light.
Olympus, you really hit a home run with this camera.

Compact size, improved high ISO capabilities over previous generations of Olympus cameras, no high ISO banding that was seen on a few previous generations, swivel screen, improved viewfinder, improved auto-focus system, more auto-focus points, optional battery grip, ease of use, incredible dynamic range at ISO 200, excellent color renditions when shooting jpg, optimal jpg output very easy, raw files packed with information, wireless flash capability, fast write speeds, fabulous dust reduction system, excellent image stabilization, compatible with the host of razor sharp Olympus Zuiko lenses.

If you don't like compact cameras, then look at the E-30. It has nearly the same feature set but will meet the needs of those that don't want a compact, light camera. The autofocus system responds a bit differently than what was in previous generation Olympus DSLR's, so that took me a bit of getting use to, but after I learned it's tricks it far surpasses what has been in previous generations.
There really are not many weaknesses with this camera. I just absolutely love it.

-Olympus E-500, E-510, E-3
-Canon 30D, 40D, Digital rebel
-Nikon D50, D80, D200
Compared to all of these, the E-620 is an easy winner for me.

I have never had my E-620 have any problems, but I did have a small issue with a previous generation camera that needed a repair. Olympus was quick, and professional.

Here's the review I wrote for Amazon:

I LOVE IT.

I have been using this camera for a month and have grown to like it more and more. I have been using a canon 20D and have found it heavy, cumbersome and I have been having great difficulty getting sharp pictures. The e-620 is the opposite. Small, light, and sharp pictures even at relatively slow speeds (thanks to the built in Image Stabilisation - it works!). I appreciate some people like heavy cameras and some don't. If you don't, then get this camera. You'll love it too. The two kit lenses are probably the best kit lenses you'll likely find and together they cover the 35mm equivalent of 28mm - 300mm. This camera is as easy to use as anyone could wish and as complex and comprehensive as your photographer's heart could desire. The swivel live view is FANTASTIC. Can't be all good? Well I suppose not, but the only slight negative, depending on your photo requirements, is noise at higher speeds. 800 iso and above noise becomes more intrusive. Below this it's not a problem. For most people this will not be a problem and I believe it is a small price to pay for all the benefits of which there are a huge amount. I could gush on and on but I guess by now you might realise I LOVE IT!

size (tiny for slr) - weight (what weight?) - ease of use (simple or complex, it's up to you) - lenses (both kit) - price (esp ukdigital) - but mainly my ability to get 'sharp' pictures that 'pop' even at very slow shutter speeds. A vast range of camera setting options - ability to use wireless remote (extra but cheap) - flip out and swivel (ooo - excuse me!) live view lcd screen, fantastic - as near to the beloved OM1 as dslrs have yet managed - image stabilisation (IS in camera so works for all lenses) - 2 second delay option (use it when you really are pushing the hand held slow shutter speed) - and more and more . . .

I believe these assets are what most photographers use most of the time. The weaknesses mentioned below are really only relevant for serious pros who need their cameras to do everything and without breaking, day or night or photographers whose interests are very specific. It's not a camera for all photographers but it certainly is for most.

noise above 800 ISO - focus speed (sometimes) - viewfinder could be bigger - software is rubbish (this is a problem as it's the only way to process raw files from e-620 at the moment. This will of course change over time) - possibly other weaknesses but I haven't met them yet.

Canon 20D - it's a brick, noisy, clunky and weighs too much.

Not needed it yet.