SC2Mapster

(Click to enlarge)

A 2v2 Melee and Free For All map. This map contains many expansions including a shared one in the middle of the top and bottom of the map. There should be plenty of space and minerals on this map for any of the races.

Here are some more screen shots:
http://calibermengsk.com/starcraft/maps/Scarred-Confine-a.jpg
http://calibermengsk.com/starcraft/maps/Scarred-Confine-b.jpg

Get it at SC2Mapster or from on the blizzard servers.
http://www.sc2mapster.com/maps/transition-alt/