Some usefull links:

Microchip C	http://microchipc.com
Tiny Bootloader	http://www.etc.ugal.ro/cchiculita/software/picbootloader.htm
PICOS18	http://www.picos18.com
Robot Store UK	http://www.robotstoreuk.com
Engadget	http://www.engadget.com
Tech Nick	http://www.technick.net
Epanorama	http://www.epanorama.net
Hack a Day	http://www.hackaday.com