DIFF BETWEEN HYPER'S???
I JUST PURCHASED A HYPER 7 RTR. THE PROB. IS I DONT KNOW THE DIFF WITH IT AND THE PRO?WHAT PARTS WORK AND INTER-CHANGE? WHAT IS THE PBS?DOES IT MAKE A BIG DIFFERENCE? I JUST DONT KNOW WHAT PARTS TO GET FOR UPGRADES?AND HOW DO I GET CNC ALUMINUM PARTS BESIDES EBAY???PLEASE HELP ME!