The current batch of standalone players, that are 1.0 spec, should be hitting the clearance rack pretty soon as the 1.1/2.0 players start hitting the shelves this spring/summer.
Also, all of these players will play all the blu-ray movies just fine it is just that these 1.0 players will not be able to access some of the newer special features that some current discs and most future discs will use. The move itself will still play fine, you just won't be able to use all of the bonus features.
At this point your best buy, IMO, is a PS3. The upcoming 1.1/2.0 spec players are going to be much better overall performers than the current batch of standalones so I wouldn't even bother with one unless you can get a massive discount on it, like under $100. I've got a few 1.0 players and I honestly couldn't recommend buying one at this point with the much better players coming just around the corner.