With a three versions of Windows(granted Windows XP and Vista should be taken off there for space), OSX, and 3G, they maybe the perfect portable device. It has a Core 2 Duo CPU, and is running OSX 10.5.7. It also has a touch screen, granted not multitouch but I take it that could easily be fixed with different screen?
http://www.pocketables.net/2009/11/...create-ultimate-modded-sony-vaio-ux.html#more
http://www.pocketables.net/2009/11/...create-ultimate-modded-sony-vaio-ux.html#more