Not really fair though as a 2wd 1/10th controller designed for 3s is being used happily on 5s on 4wd 1/8 truggies with only a bec, fan and maybe an extra cap... :)
Nice though:
4-6s 35v 1800uf TransCap - 17.59
http://www.shopatron.com/product/part_number=5685/135.0
Not in stock until Sept it looks like...