I'm use a GTP USB Lite programmer, the best , and totally free.
Support all F series and dsPIC chip.
http://perso.wanadoo.es/j1m/proyecto...lite/index.htm


Original version is here , http://perso.wanadoo.es/siscobf/winpic800.htm .
This version support ZIF adapter for F series and ICSP.
The zip files included : schematic, soft programmer (the best), firmware (18F2550) and USB drivers.


Enjoy it.




This version is a ICSP programmer.