Here you can map the tablet to different parts of the screen. Using the tablet when you are screen spanning is tough as you can only (I think) map to one screen. If I want to play around with the other screen then I need to use the mouse.
The unit cost about 24000 yen
yen and includes some crap trial software which you dont really need. I use Photoshop mainly for art and retouch and Fireworks for all web graphics. I have to work on Mirai's graphics in Photoshop however as the colors look strange in Fireworks - my color management knowledge is like zilch.
Folks in Japan can get this at #''#B0002ZCK42,PTZ-630,Amazon.co.jp#''#.