If it doesn't do well at that price point, the price will drop. Look at the 60D - price drop, rebate, etc.
Everything drops in price after launch, short of very exceptional circumstances like the original onset of the credit crunch throwing turbulence into the currency exchange rates.
Canon 1D, 300D IR, 450D full spectrum, 600D, 5D2, 7D, EF 35/2, 50/1.8, 85/1.8, 135/2+SF, 70-300L, 100-400L
EF-S 15-85, TS-E 24, MP-E 65, Zeiss 50/2 macro, Sigma 150 macro, 120-300/2.8 OS, Samyang 8mm fisheye