Bonjour,
The good news will be for potential K10D purchasers. With K20D coming up, K10D prices will go down.
So more photographers will discover how good is the K10D

.
Only possible surprises: the price-tag of the K200D compared with the K10D's one; the handling of SDM lenses and a short list of other technicalities.
Personally, I don't plan to switch from my current K10D: I'm very happy with it and the learning curve is worth taking more pictures with it.
I rather prefer to purchase improved lenses, as I did with the DA* 50-135mm, worth the price

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--- rei_vilo
Pentax K-5 + BG4 + DA* 16-50 + DA* 50-135 + DA* 60-250 + AF-540FGZ
reivilophotography.weebly.com