Replying to my own thread (a little late), I just tried using my PICkit 3 with MPLAB 8.30 running on a WinXP VM under Parallels...and it worked! I haven't tried debug but it programmed a 12F683 with no problems. I'm pretty pleased! Josh -- A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. -Douglas Adams -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist