I have an Austin cut-off one that I wear from time to time. I also have a cool Bret one and Misawa one that I wear every now and then. I have a Survivor Series 97 shirt specifically for historical value that I only wear to the gym because it is so damn ugly.
I don't the ECW fans would take kindly to HHH being in "their" ring, so to speak. Afterall, there was the rumor last year or so that HHH wanted to do show that his hardcore match (with either Batista or Flair, I can't remember)