Ohana Steppes (for the silly TvZs in which hellbats happen before swarmhosts have a chance to happen) Akilon (Mechilon Wastes, Protossilon Wastes whatever you wanna call it it's a good map) Debris Field because Debris Field
I vote for Blistering Sands as my top pick. I played the hell out of that map, being the first map I ever played on Starcraft 2. It's going to be interesting what the pool of players choose. Cloud Kingdom would be cool to see again too. Miss the little sharky friend.
Wow I was just thinking some time ago how cool it would be to have very different maps (small ones, big ones, etc) but having the old ones back is really awesome!
Here are the one i'm really looking forward to see in the map pool :