THATS MY COOL MAN I CAN'T TAKE IT OFF!
Fact: anyone asking for Sandtrap has never played anything before Halo 3.
OT: Either Turf & Sidewinder or Prisoner & Waterworks/Relic/Headlong. Since we know at least one map is from Halo 2 and there's still one BTB map to be announced.
[Edited on 08.03.2011 9:52 AM PDT]