The stumbling block is that the firmware update only has the 32-bit WinXP/2000 VTC drivers bundled with it. Go here:
http://apads.com.au/downloads/firmware/telechips/M1001/original.rar
Un-rar it. Never mind that it is for the 10" tablet, you're only interested in the VTC drivers folder. The drivers for 64-bit Vista/Win7 are in the x64 folder (note: I haven't verified these work yet myself).
Good luck!