Always online is going to be an issue, because at launch the likelihood of less than 5% of users having some issues is virtually nil. There's GONNA be some unforeseen fuck-up and it's GONNA effect enough of the initial users to leave a very bad impression, and it's GONNA get mainstream press coverage and snow ball.
It's also obviously a sneaky, ratfucking move towards anti-used games DRM, no matter how they're trying to spin it.
This gen was already lining up to be a Thunderdome gen anyway, but hoo boy have the console manufacturers not helped matters: Nintendo by releasing a console with 2007 tech, MS with always online BS, and I'm personally still convinced Sony will try to sell the PS4 for $500 because they're Sony. It's a good time to be a pc gamer, fellas. Sit back on our porches and watch the neighbors murder each other.