Competitive Cars
Here's a list of awesome 1/10 onroad cars. If I forget any, someone will surely chime in and add to it.
XRay T3 2011
TOP Photon
Sakura Zero
Associated TC6
Tamiya 417
Hot Bodies Cyclone TCX
Corally RDX (lipo spec)
Schumacher Mi4CX or LP
Serpent S411
Kyosho TF6
Basically, get a good lipo chassis...