Well, I just hope they have plans to patch in some of the things that could not make the game. I am sure it was a tough decision to cut or postpone some of the features. I bet it came down to releasing in time for the holidays or not releasing at all until sometime next year. With GH coming as well, I am sure the pressure was on them to get it out the door.
As far as the licensing, I am sure that it cost a bit and getting a band like U2 that had never appeared in GH or RB in the past was a big coup for them and I am sure it will be welcomed by a lot of folks. I am a member of a few U2 forums as a big fan of the band and interest in this game shot through the roof as you can imagine on those forums. For me, I am curious what the DLC plans are for U2 songs and how many they plan to offer.
I hope the game sells well even with some of the shortcomings because that will add a lot more financial support for them and will give them the ability to add more to the game if that is what the plan is. Have they said if some of the features like on-line are things that will be added later to the game?