I am kinda old school. I am used to brushed motor technology. I have been working on my driving and getting a couple of decent vehicles together to race.

Currently I run:
1. Associated B3 buggy with a brushed 11x2 with Lipo 5000 20c
2. Losi Strike SC with Castle Sidewinder 4600 with lipo 30c

I am kinda intermediate with little race experiece. the place I race at now doesn't have motor or battery limitations but I want a setup that will be able to race anywhere. At least with extra parts on hand.

I'm thinking that the buggy needs a brushless setup. I don't know how the sidewinder fits into the roar rules or what motor I can run to make it legal. Beyond all that I am lusting after a better kit for my SC. What would you do? What classes would you run?