If there is anyone who is into the remote control hobby then you should really check out the radio control expo(RCX). It is April 18-19, and if you buy tickets online at rcx.com, you can use this promo code to get $3 off.
There are going to be alot of great deals, and a few tracks you try out. If you are into RC, then you have to be there.
Promo code: rcxpromo2