There aren't very many 1/10 scale buggies unless you mean flashlights. All of the outdoor tracks I have been to pretty much cater to 1/8 scale buggies, MT's and Truggies. To the point where the flashlights and 1/10 gas trucks sometimes complain.

I do not believe that the Revo is more difficult to drive than an LST. I would not be surprised if it was for you - at least at first - since you've been driving the LST for some time now. Different? Yes. Better or easier? No. Both trucks require some set up work out of the box to be a real good racer, so you should be happy with either of them.

You might want to consider a truggy since you are racing. The new Jammin X1 CRT RTR looks way cool for an RTR.