I think that's probably the problem I had -- But anyway, just noticed there's both the bundle and also Alan Wake on sale, so just snapped that up too! This time I waited for 1 confirmation to see what happened, and that worked fine -- but I still think it really should be made a bit more obvious somewhere as to how long it could take, since people less experienced with Bitcoin etc. might get worried. Anyways, it's pretty cool that I can get stuff with my BTC, and I'm sure things will be improved with time!