Your Most Wanted RB1/2 and GH:WT DLC

[Rainbird]

Well, Rock Band 2 to Europe on PS3 first, but after that:

Kamelot - Ghost Opera, When The Lights Are Down, Soul Society, Farewell (just to mention some )

Rammstein - Links 2-3-4, Mein Herz Brennt, "Reise, Reise", Los, Rosenrot

Godsmack - Greed, Awake, Keep Away, Voodoo

With many more ;P