you can look:

http://www.moty22.co.uk/scope.php
http://www.semifluid.com/?p=24
http://www.interfacebus.com/Design_Connector_USB.html
http://www.usbmadesimple.co.uk/
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist