K200D has better image processor than K10D.
See my thread here
https://www.pentaxforums.com/forums/pentax-news-rumors/22835-k200d-more-than-...ifference.html
The main difference vs К10D
- less weight and smaller dimension
- buffer 4 RAW vs 9 RAW (K10D)
- no TAv, user mode, 1 e-dial
- LCD 2.7" 230 000 dots
- power 4хАА
- penta-mirror 96% field of view and an approximately 0.85-times magnification.
- better NEW 14 bit PRIME
- sensor is put in SR rails hardly
- better jpeg
- Dynamic Range Enlargement
- Eight digital filters
- adjustable RAW button
- 6 types of IMAGE TONE (natural, bright, portrait, landscape, vibrant, monochrome)
- pixel mapping
- guide number of buil-in flash 13 vs 11 (K10D)
I've bought K200D. I will get it in several days.
I think that simplier camera is better for me. It's my choice.