USB <--> CAN

High speed CAN operates at 1Mbaud, or about 125k bytes/sec. HID will never keep up with that.

I've heard that CDC is faster than HID. But I've yet to try it.

Squibcakes has an example for CDC ...

USB CDC Communications for Dummies!
http://www.picbasic.co.uk/forum/showthread.php?t=5806