WWE Pay-Per-View Buyrates (Wrestlemania 23 Through Vengeance 2007)

WWE WrestleMania 23 - 1,188,000 buys (+230,000 compared to last year)
WWE Backlash - 194,000 buys (-19,000 compared to last year)
WWE Judgment Day - 242,000 buys (+4,000 compared to last year)
WWE One Night Stand - 186,000 buys (-108,000 compared to last year)
WWE Vengeance - 243,000 buys (-96,000 compared to last year)

Credit: 411mania.com

It doesn't really seem like these tri-branded PPV's are working.

But Iam suprised at how well Wrestlemania sold...