I know this will likely kick off a pissing contest, but the Tyros2 will be hard to beat. It's a great keyboard, lots of neat features, and there are more 3rd party style files available for Yamaha than all the other manufacturers combined.
Good Luck on whatever you decide upon,
------------------ Travlin' Easy
PSR-S950, Bose L1 Compact, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, Morgan 33 Out Island Sailboat, and lots of other silly stuff!