Have you used it before? There was support for PBASIC from a few places... heh, some of them developed by robotics teams.
worst comes to worst I'll be downloading my IDE of choice for windows... gVIM.
Anyways, also came accross this for the C stuff:
http://massmind.org/techref/microchip/language/cs.htm
I don't have the experience with microcontrollers to tell how useful it is... but it looks promising.