I could be wrong, but aren't custom driver stations not allowed according to the current rules? As far as I know, I am pretty sure this has to do with field management. (See
http://www.chiefdelphi.com/forums/showthread.php?t=87795&highlight=iphone+driver+sta tion) Using Ubuntu for development should be fine though. I suppose you could use the custom driver station for debugging and practice, but I would suggest using the official driver station (better to become familiar with something your going to be using in competition than have to adapt to that on the fly). Don't get me wrong, I'd love to see more FIRST integration with Linux or Mac, but for now, I think we are constrained to using Microsoft products, at least officially.