In case you haven’t been paying attention, Amazon does downloadable games now — and not just casual games, but “core” titles too. As an aside, for some reason the whole “core” moniker attached to games that are the opposite of casual games (hardcore games!) I find irksome, no specific reason why.
Anyway, Amazon is doing 20% off of all their “Core” game downloads, making a serious run at Steam. They’ve been matching Steam’s weekend and midweek deals recently too. Definitely worth checking out as another option to Steam, Direct2Drive, Impulse, etc. New titles in there too like Bulletstorm, Homefront, Dragon Age 2…you get the idea: