Personally, I am planning to give it a try again this year and am craving to capitalize on some ideas until the map template is published.
The existing co-op maps usually take an existing idea from a campaign map and implement it into the co-op setting.
What kind of map from SC1, SC2 or WC3 would you like to see in a SC2 Co-Op setting? I'm currently thinking bout something like the "Defend Kel Thuzad Map" from the WC3 campaign mixed with All-In from WOL, the Battle over Icecrown Obelisks in Frozen Throne or the last mission of Broodwar but I am still very much undecided.
Anyone else participating?