I mean if you were really paying attention to the game, you might know about it, but I just recently found out that you can export all Lego Rock Band songs to your hard drive to play in RB2.  If I would have known that when the game came out, I might have bought it day one.  I just remember hearing about the game, seeing the song list, and being mad those awesome songs weren't in the main franchise.  Maybe I'm just blind and deaf, but I didn't hear or see anyone talking about this back when the game came out.  Am I just the minority consumer for the song export being the thing that sold me on the game?  Why did Harmonix do such a terrible job of letting people know about it?

Well, I knew about it. However, if you were going to buy the game just to transfer the songs (which is an extra $10), I'd say you're out of your mind. Unless of course, you can transfer the songs an unlimited number of times from one disc, in which case you could just rent it and then do it, and that would be awesome.
 
The game does have some awesome songs I'd certainly like to play. However, I'm not clear if it's like Rock Band 1 and one disc can have it's songs transferred as many times as you want. If so, I gotta rent this bad boy.

"Well, I knew about it. However, if you were going to buy the game just to transfer the songs (which is an extra $10), I'd say you're out of your mind. Unless of course, you can transfer the songs an unlimited number of times from one disc, in which case you could just rent it and then do it, and that would be awesome.  The game does have some awesome songs I'd certainly like to play. However, I'm not clear if it's like Rock Band 1 and one disc can have it's songs transferred as many times as you want. If so, I gotta rent this bad boy. "