2011 Final Four Tickets: Houston
Tickets can still be had for the 2011 Final Four in Houston, you just need to know where to look. Here are some places to get individual game tickets, all-session passes, and complete travel packages.
VIP/Hospitality Final Four Packages (including hotel)
Sell tickets through the NCAA's official exchange
No long the "official" provider of hospitality packages, but still a decent option.
Individual tickets & packages. Some decent low-end seats/prices.
Hard to get tickets, though pricey.
Ebay.com - search for "Final Four"