I expect you are running the stock xandros version of linux that the EEE701 came with.
I suggest you head over to http://wiki.eeeuser.com/
Then install KDE (AKA "Advanced mode") : http://wiki.eeeuser.com/#full_desktop_advanced_mode
Then read about how to start a program at startup: http://wiki.eeeuser.com/howto:startupscript
(which, basically, tells you to put a script calling the program you want to start in the directory /home/user/.kde/Autostart/
Your script will probably look something like this
Lots of eee-specific help is available at http://forum.eeeuser.com/