either buy the stealth and upgrade and you will have it out every weekend and fiddle with it.
or get the factory team you will only pull it out to race with as its all the parts on it as standard
if i was you i would snap this guys hand off for this
http://www.oople.com/forums/showthread.php?t=56462
its a b4 from my local club ive been trying to convince him to sell me his shell. its got the correct springs on for racing so no need to spend £20 on spring kits.