I am one of the Dragon Age nominators and my preference would be for the games to be split. Personally, I'm interested in very different things in regards to the fanworks related to each game, and would want to be able to request and offer those things separately instead of having to mash them both together into one huge mega-request.

I also think the Star Wars KOTOR games should be kept separate. As the commenter above says, there's very little character crossover between the two of them, and their stories are quite distinct.