Thanks everyone for kind words
Actually I was not expecting that no negative posts will follow mine, that only proves that this forum is incredible place to stay!
Quote: You should have tried the K20D - in-camera jpegs are incredible.
Well, when it will eventually become available, and it's price will drop to normal level, I'll try one for sure. We have a terrible situation with Pentax distribution here in Russia. I think I'll be able to actually see a K20 in May, and that's the best expectation.
Quote: how does the olympus feel, ergonomically, to your old k10d?
Well... K10 is built like a tank, I cannot say that about E510 unfortunately. But as a compensation for this - it's like twice lighter. This actually does not matters really for me. The caps of Oly (memcards cap, battery cap) look fragile, they REALLY could make them better.
The ergonomics itself is very good. Tons of settings accessible with one-button press, and even more with large and detailed on-screen info table. Even thigs like Sharpenss, Saturation, etc. can be accessed VERY fast. E-510, unlike K10, has only one control wheel. So when I got to manual settings, I discovered that that wheel contols the exposure. I usually don't read the manuals
So i just thought, how it WOULD be comfortable to change aperture with only one wheel available? I tried what came to my mind, and guess what? It worked! That was very pleasing, a really well thought out interface.
Generally it's more versatile then K10's, more changes can be made very fast. But as for really often changed parameters - it's like K10's interface, very similar feel.
One thing that really is better in 510 then in K10 is AE metering. Olympuses autoexposure is extremely accurate in different conditions, with or w/o flash, no matter. At least it is so with the kit lenses.
The E-510's AF is much more primitive then K10's. Only one cross-type point - the central one. And the other two (yes, ONLY 3 points) are horizontal. I usually use central one, so it's not an issue for me, but not for everyone perhaps. AF works much like K10's - if it says it's locked, you get a sharp image. If it's unsure, it does not lock. Same flash strobbing in dark conditions. As for AF speed, I did not feel any difference.
The VF of OLY is really small. This could be a big issue for a person wearing glasses. But it's very bright (they had dim ones in previous cameras). Somehow the colors in OLY's AF seem more natural then in K10's, no idea why.