I was wondering if anyone can explain to me how to do the td 20 upgrade.Ihave version 1.0 I see there is a 1.9 out there not sure how to do it and if its possible. I have my card reader I used for my vex kits . I,m thinking I might have to put it on there then install on my td 20..Also not sure where to get the down load any help u guys can give me will be greatly appreciated ....thanks donny