Thank for your suggestion and vote, séamuis!
For my current case, the main reason for the K-m Olive is not because of the K-m feature and specs (I've found it to be good, although I know well its problems) but I just like its appearance and it is a limited edition.
On the other hand, I know that the K-7 is going to be much stronger. But I really don't know if the noise control etc. will be good enough to match the K-m. And, the K-m will be a bit smaller (and I shall use solely AA lithiums in it if I have it, to make it lighter).
For serious shooting, I think I shall still use my Full Frame 5D with Pentax and Canon lenses anyway. My intention to get the K-m is for causal shootings and shootings outdoors at remote places, hiking and cycling etc. (which the 5D is not suitable for these, frankly) And, my main intention to get the K-7 is it could get my long sleeping Pentax lenses new life, I hate to use my F*300/4.5 on my 5D with the forced 1.4X TC! (especially if the K-7's AF is really faster and more accurate, then the K-7 will be important to me!)
Another reason for the K-7 is the video function, which undoubtedly can be quite handy for travelling and shooting children/pets.
Originally posted by séamuis I also really like the k-m olive, much more attractive than my black k-m. however, at least for me the price wouldn't be worth it now that the K-7 has been announced. knowing how many complaints you have had about AF among other things rice, it would seem rather odd that you didn't invest in the supposed best performing Pentax digital in this category. given the options you have listed, if you really like the k-m (and I cant blame you, its nice) then I would say get the k-m now and wait for the prices to drop on the k-7. I own a k-m and its a great camera. I will also be getting a k-7 when the prices drop. it would be foolish to deprive yourself of either camera if you can afford them, and the price WILL drop on the k-7 quite significantly within a relatively short period of time.