Nice hammer action and great sound library's.
For MIDI lovers: All the keyboard's features and settings are pretty much programmable and adjustable with SYSEX codes.
Roland has gone a few generations beyond this somewhat venerable range of digital pianos. This was my first nice 88 key hammer weighted keyboard, and I still love how it plays and sounds. It's taken a backseat to a brand new Kronos X, but it's still a great keyboard and there are an impressive number of additional synth and keyboard instrument sounds on board.