The Beatles Rock Band had such a unique awesome look to it, that just transported you back to the 60's and its beautiful! Reminds me that I should play it again, give it another go, since its been awhile. Love their songs, and they are one of my favorite bands.
Green Day Rock Band wins because of the simple fact that if it wasn't for Wii + GH3 guitar bundle being cheaper than Wii on its own, I would have gotten into music games via GDRB.
Lego followed very very closely by Beatles and Blitz.
I popped in Lego the other day and was still amazed at the stages and art direction. Not to mention it's the only export I have where I haven't one lightered and hid a single song.
Still wish RB3 had as much customization. I want my snazzy RB3 Rock Den with monkeys and inflatable pigs.
Liked Blitz ok, but Beatles is the peak of everything. It's really the best thing Harmonix has done since Rock Band debuted. I'm not even a huge Beatles fan but the execution of that game was outstanding, everything from the look and style to DLC.
Imagine if Paramore had their own game, oh where oh where is Cipher?
Green Day Rock Band
I am not saying it's a better game than The Beatles, but its a better Rock Band Game. They are both great, but Green Day wins because of the fact that the songs are just better suited to the game, that and my own personal love for the band and the music makes the choice easy for me.
Although I prefer to play the music of Green Day in Rock Band, I'd have to give a tie to TB:RB and Lego for the games themselves. I think, as far as games go, Lego might just inch out the Beatles.