A strong ability to solo. I enjoy a good MMO, I really do, but moreover, I want to enjoy a good game without worrying that my buddies are on a schedule, or that if I die to much I'm going to be replaced.
"So if you go to Washington, it's buildings clean and nice. Bring a pack of matches...and we'll burn the White House twice!"
"Nobody's talking about extermination. No one ever does. They just do it." - Magneto
"Don't solicit for your sister, that's not nice, unless you get a good percentage of her price."