I do recall the USB drivers are NOT at the link given in the How To. I had to go to Motorola and find them. I should tell OMJ that as you need those.
/** SGS3 (rooted & stock ROM) **/
/** Asus Prime TF201 (rooted & mildly OC'd) BRICKED BY THE ASUS OTA JB UPATE!**/
/** OG Droid (rooted & OC'd & all hacked up) **/