On Mon, 3 May 2004 16:58:07 -0700, you wrote: >I'm trying to find out what is the best way to program those chips. I = haven't been able to find a source for the PIC18F6720 based upgrade kit, = but from what I've heard it alone is comparble in price to other good = programmers. Digikey has 473 of them in stock at 29USD, part number UK003010-ND -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.