Would be great to have a GT12 section on oOple I think, I'll see if I can remember to bug Jimmy oOple to see if he's up for it
SO many people race this class now, it would definitely be worth having its own section on here.
As for motors, you can be just as competitive with a cheaper 13.5 as you can a more expensive 13.5. Driving and set-up is what will give you good results, having the TOP gear is a very small percentage of that.
I run the Thunder Power 13.5t but previously I've ran the Turnigy Trackstar which is still a great motor. Changing the motor to a different brand won't be like night and day, it's still a 13.5 at the end of it. I could beat people when I was running my £20 Turnigy Trackstar that were running the £120 Trinity D3 Certified so I think that just about sums that up.
If you start doing bigger events, nationals and racing some of the quickest guys in the country then yes maybe it's worth investing so you feel like you're getting every last bit out of the car.