Originally Posted by Thorn

This is what I use:
Car Floor / Seat Bolt Mount Kit for ASUS EEE PC EEEPC 1000 700 701 900 901 2G 4G 8G

and I also have this:
Cup Holder Car Mount for ASUS EEE PC EEEPC 700 701 900 901 1000 2G 4G 8G

Either way it's hard to beat at $20.