At the the time the top end packages were WiFI, cheaper ones you end up balancing a laptop on your knees, which reminds me the software reputedly runs better on old versions of Windows, but this might have now been updated. Top notch are unlimited VIN's coming down to say 3 VIN's for the DIY home mechanic - change cars a few times and it's useless. The big difference in price between genuine Ross-Tech packages is the number of cars (VIN's) you can use it on. I looked into this about a year ago and some low level bits and pieces I can remember below.
