Trust me this is for the best. There were so many hacks/glitch abusers. From personal experience someone stole an item directly out of my inventory.
I can't wait to see the new market though.
^ Partly that.
Since the rollback happened it decided it doesn't want to work at all for accounts made after August 2010 instead giving a blank page.
Crux is going to make a new markety type thing, so sit back & wait for him to get it done.