http://www.rolandconnect.com/product.php?p=a-88
http://www.rolandconnect.com/product.php?p=a-49
A-88: The Portable Controller That Plays Like a Grand
With 88 pro-quality weighted keys, the A-88 sets a new standard for streamlined, portable MIDI controllers. Its Ivory Feel-G weighted keyboard — a trusted asset found on high-end Roland workstations and digital pianos — brings a new level of grand piano luxury to the portable MIDI controller market. But even with its premium keyboard, the A-88 remains slim, compact, and easy to transport. For players looking for great weighted-keyboard action in a portable package, the A-88 is the best MIDI controller available.
A-49: Portable Control with Pro Action
There's no shortage of portable MIDI keyboard controllers on the market, but portability often equates to subpar keyboard action. With the new A-49, the game has changed — this lightweight, slim-line controller features a premium-grade, full-size keyboard that raises the bar in its class. Available in pearl white and black finishes, the A-49 is a dream for musicians seeking a simple, easy-to-use MIDI keyboard with pro-quality playing feel.