www.innovationfirst.com/firstrobotics
that is everything you'll need at first.
www.parallax.com
somewhere in there is the PBASIC Bible. you don't need it yet, but you will eventually.
try to figure out the code by yourself by going through the default program on the innovationfirst site. it's well commented and very easy to learn from (or at least that's how i learned it). if you have any questions, come either here, or to tigerbolt, and ask away. that is after all, the point of the forums
.