There was a disscusion of this on the Pepper Pad forums yesterday.
http://www.pepper.com/forums/showthread.php?t=426

It appears that the standard OO rpms work, but how well OO interacts with a small screen (and how fast it is) are presumably your main concerns. You could try asking on the above thread. The SA1 appears to come with standard Windows XP, and I would worry a bit about using XP at 800x480.