Snow,
R2 will move around like the Real R2D2...In fact he (R2SRV) made a showing at last years MillionManLAn....
I've posted these before but Here you go again...R2SRV in action
The First one is a short demo of R2 Running.
http://www.thebestcasescenario.com/c.../R2Dancing.avi
For fun R2SRV was entered into the MR. WSVG contest, here he is doing a dance.
http://www.thebestcasescenario.com/c.../MRWSVG_R2.avi
CrazyBillyBob