looks pretty freaking fun
http://www.vitalmtb.com/videos/member/HMBP-Pro-GRT-Course-Teaser,7023/Lucent,16
(i'd embed here if i could)
http://www.vitalmtb.com/videos/member/HMBP-Pro-GRT-Course-Teaser,7023/Lucent,16
(i'd embed here if i could)