Ive been using the presta valve for my Kenda DH tubes. Been beating them up on trails every weekend with no problems as of yet, but the fact that most of you use Schrader concerns me...
+1!
Strangely enough I had almost this exact same idea pop in my head while I was riding today. Unfortunately it popped right back out of my head a few seconds later like 95% of my ideas, so thank you teklektik for the deja vu!