I think this one is personally, but I am a little biased
Its as bulletproof as they can be with a Chrome-moly cage, Moomans cups and all kinds of other goodies.
@Mooman: Those cups are holding strong against my OBR full mod 30.5 Zen 4 bolt.
EDIT: Its for sale too btw
http://www.redcatrampageforum.com/showthread.php?t=3923