[pcwalton]

From what I've seen, casual (iPhone, Facebook) game companies are far more open to hiring general programming talent than the mainstream. (Which, IMO, can only be a good thing for the industry.)

[ido]

Online/flash games here.

And yes, they do seem a bit more open and also a bit more laid-back.

The latter is probably at least in part because it's easier to make money in the casual space.