The real only 1/18 rock crawler is the Tamiya TLT-1. It's also the only kit, so you will need an ESC, motor, battery, Rx/Tx, etc.
http://www2.towerhobbies.com/cgi-bin...?&I=LXHAS7&P=0
Thing has good aftermarket support.
Here are some good galleries for ya, this will MOTIVATE ya!
http://www.one18th.com/GetGallery8027.htm