I had a similar experience on PSN. First time I tried to buy something from their store, it appeared to go OK, and I downloaded it OK and all, but the next day I tried to buy something else but found that my account was banned (but I only discovered this after I did a google search for error code 8002ad23, which was all they told me when I couldn't log in).
I was told that some "new security check" had raised some BS flag on my credit card info not matching my PSN info or something. That took longer than necessary to fix, with some miscommunications on their end in customer support. (On the upside, thanks to their crappy store/security implementation, I got to keep some RB music at no charge, though it doesn't sync properly with the store so I couldn't redownload it. I hope that doesn't make me a bad person, but, well, they screwed up costing me time and frustration, and they screwed up again costing themselves money, so.. eh. Not inclined to correct their mistake at my expense.)
Combined with the general UI hell that is the PSN or in-game store, my experience with Steam has been nearly incomparably better.
blue_guy said:
My only gripe with steam is that if my 'net goes down I lose all my games until its back up.
Well, Steam can run in offline mode, but it seems that it doesn't want to sometimes, it sits there for a couple minutes, and I kick it a few times, and then maybe it'll pop up a dialogue: "Can't connect to Steam. Restart in offline mode?" That's probably my biggest complaint against Steam. Overall, I like it well enough.