do you complain about the depreciation of your car after you drive it off the dealerships lot? because that is alot worse than what any of the camera companies are doing.
this is not a new trend....its the primary reason i dont buy camera gear within the first year of its release. sry you feel burned, but this is how it goes and its been this way for a while.
chalk it up to a learning experience and show a little patience next time.
+1 If you're a pro and bought it close to release, you should have already made enough money to offset that price decrease. It's a small price to pay for being one of the first few with the newest, though not always best technology. The market gets more difficult to compete in for the average pro when everyone else has the same camera. If you're planning to invest a lot of money in a new body for hobby purposes... It's most likely not an investment at all. It's been this way for quite awhile.