Depends on why you would even want to upgrade.
Others are going to say it's definitely worth it because of the new processor but are you doing ANYTHING that would require you to upgrade? What do you actually use your MBP for cause I was in the same situation as you when the new 2011 got released. But after much debate, I didn't see a point because I don't game, nor do video edits. I do a bit of photography on the side but my 2010 MBP does wonders already and I think it's fast enough.