any of you see that new heatsink/fan from lrp? just got my rc car action magazine and thought it was a pretty cool idea (if it can take a beating)
it sais it fits all 540 series brushless and brushed motors and it operates off your 4-6 cell pack.
http://teamassociated.com/enlarge/lrp82510.htm
looks kind of interesting.. dont know how well it would work though!