I had to reset my phone and it went back know to the old version. I think I went into applications under settings, found market and deleted my data and cache. Then I just waited for it to recognize that I had the old version. It wasn't immediate but it did update. You can try that.
Open the Market app. Tap the home button, then got to settings>Applications>Manage apps> all> market> then wait a couple of seconds, then tap home and open market again.