This build is less powerful that proxy 2-rax but much less likely to be scouted and is a Bronze League Heroes Special. http://wiki.teamliquid.net/starcraft2/12_Marines_@4:30
9 - Supply Depot, no other Supply Depot production
11 - Barracks (1)
12 - Barracks (to 3), cut SCV production
12 - Marines
13 - Orbital Command Upgrade
@100% Orbital Command - Calldown: Extra Supplies
Next 50 Energy on Orbital Command - Calldown: MULE
at 9 marines Rally Barracks to marines, Set SCV's to separate hotkey and send them in to tank damage in your attack. Don't Forget to Stutter- SteP!
No one cared who I was until I took the helm.
Commander of the CFS-Excalibur
:|: Strength~Pride~Unity :|: