Only reason that would be such a "horror" was because it use to be free and look where that ended. As for the mass exodus back to pc gaming... as if. Go back to the launch of every major online shooter in the last year - it has been a complete and utter cluster fuck. Fail Ops was a cock up on PC and PS3, the two free services while the Xbox guys managed to at least get a game or two in without having to wait for patch no. 2 or 3. In my years of paying for my MP on xbox i've never encountered any issues. I know guyz that migrated off of PC COD MW2 and BF BC2 to their console counterparts particularly due to the MP on PC being such a complete and utter cock up. But heck without ya'll on there at least the servers will be quieter, enjoy the epic frag fest, did i say frag, my bad, i meant frustration fest.
Blizzard does it with WOW...I'm surprised SC2 hasn't gone the same path.
I think the reason it won't happen quickly with all games is the fact that it will have to be the publisher making the call and they all to shit scared pay-for-online will push the masses away from their games, right into the arms of the competitors.
Hey Tarryn!
I see your paid-for-PSN, and raise you "Premium-based Steam"!
Hey, as much as MS is a business, so is Sony. And so is Valve...
It IS coming, just a question of time...
It's not feasible since there are at least 3 competing services on PC that are free already. The first to become a paid service would see a mass exodus. This is what I meant in my earlier comment about MS capitalizing on it's monopoly with XBL. They don't need to charge a fee to deliver a good service, but they do because it's good money and no one else can step in and charge less (on the 360).