bullet for my valentine or children of bodom will get you more pumped than any amount of redbull will
It would get me pumped to destroy my stereo!
Leftover Crack, No-Ca$h, Choking Victim or something of that ilk and then we're cooking with gas.
As for drinks, chocolate milk is pretty good before a ride, as confirmed by MBUK.
Most of the energy drinks have the same active ingredient anyway so just pick which one has the nicest flavour. That Rock Star shit you get in the US / Canada is pretty nice. I drank a can before hitting up Blue Mountain on my snowboard and it kept me buzzing most of the morning at least.