Here's what's on the Blu-Ray (all in high def) to help you decide if you want to pay the $10 plus for it:
Finley vs. Mr. Kennedy on Raw 3-10-08
Flair and Micheals vs. Edge, Zach Ryder, Curt Hawkins, and Chavo in a Steel Cage Smackdown 3-14-08
Champion vs. Champion (no title on the line) Jericho vs. MVP from Smackdown 3-28-08
Batista vs. Umaga for Brand Supremecy from Wrestlemania XXIV
Matt Hardy vs. Randy Orton from Raw 3-31-08
Shawn Michaels vs. Batista from Backlash 08
Jeff Hardy vs. MVP from Judgment Day 08
Chris Jericho vs. Batista to determine who faces Michaels in a Stretcher Match at One Night Stand 08 from Raw 5-19-08
"Creating Smackdown vs. Raw 2009" feature
The PS3 game also has Edge vs. Undertaker from Wrestlemania XXIV in high def on it.