Sorry for bringing this up again then Coltfan...
As Long As this PS3 User can get those 2 Emperor tracks relatively soon it's not much of an issue.
There's a request for this on the PS3 Blogs... PS3 users go vote this up (if you didn't already):
Addicted to RockBand since 2008
My Scores: http://tinyurl.com/yzn5l8x
1000+ Songs: http://tinyurl.com/p3lwyz