I love Dragon Commander, but the game is seriously lacking. The story just sort of falls apart in the third act, so I'd LOVE some DLC that adds more narrative content to the campaign, or an expansion that offers additional maps, or DLC with maps and/or different dragon skins.
I know Swen doesn't like DLC, and I know Larian is focusing on the DOS development with the intention of using the DOS engine to develop further RPGs, but I'd still like to see DC get some more love. It's easily the most refreshing "strategy" game I've played since Age of Mythology or Rise of Nations.