most nights when i know i will be up drinking into the early mornning i start with a few RockStar 21 (i like them them the best) and it seems to keep me going through the night.
but i have had tryed
Sparks (6% alcohol)
Sparks (7% alcohol)
RockStar 21 (7% alcohol)
Micky's (6% and in sux)
and a few more that i have found here and there
keeps you up for hitting the coyote ugly?