I left that out, as USB to PC is more for internet sharing over USB, as the phone should connect to active sync without that as active sync is built into the SYS Common. But if you need just the USB to PC part, i did make a custom cab for someone already. Here is the
Link. Or you can use the built in Updater app cuz it's already in the cabs section of the updater for instant download to your phone
been there for a few days, cuz someone already wanted that