if you want more info on any of them take a look at the following links
http://www.ofna.com/ravager.html
http://www.ofna.com/hyper7-pcr.html
http://www.ofna.com/teamjammin/kits-x1rtr.html
of those 3 kits the jammin is probably one of the best bang for the buck ready to runs
good luck in your pickings
kevin