Gabe, Mich and some others will have lots for you on this, but I can say for indoors, get Panther Boa tires in "C" compound, and use Racers Edge 3 stage foams on (Maxx size wheel of your choice).

A good single steering servo will also be beneficial. And again, everyone will tell you their favorite.....Gabe, Futaba....Mich, Airtronics....somebody, ACE...they are all good and all about the same money, around $90-100 each.

The radio and rx, fer sure.

The Traxxas.com site has a section called Slaydens Pit Pass. He give lots of setup info there.

Unfortunately, some of the variables you tossed out can make this a tough one to answer easily....you mention three different motors in one question.