The newest model of Roland's Atelier series is the AT900. The specifications are as follows:

• The physical Harmonic Bars provide authentic, hands-on control for expressive organ playing
• Perfect Organ, Symphonic, and Orchestral sounds includes gorgeous pipe organ voices derived from acclaimed RODGERS digital classic organs
• Acoustic-instrument expression with new Articulation Voices using Roland’s unique SuperNATURAL™ technology
• Easy-to-use control panel based on traditional organ playing principles and larger color LCD monitor with touch screen function
• The rhythm function automatically adds ultra-realistic accompaniment, letting you play with a virtual backing band of world-class musicians
• The D BEAM controller offers magical expression by moving your hand over the invisible beam
• Quick registration from the hands of world-class organists and convenient Music Assistant functions
• The USB host port supports USB memory key and FD-01A USB floppy disk drive for easy data storage and transport
• Playing back VIMA TUNES with optional CD Drive, you can enjoy attractive slideshows and lyrics with music

 
 
Further informations directly from Roland
http://www.roland.co.jp