@Olli: Yeah you do need to get back into the swings of things. :D You still need to reach level 50!
Enjoy your new golden keys!
Here is the full list of details concerning tomorrow's massive update.
PC Update Information
Xbox 360 Update Information
PlayStation 3 Update Information
I'll either use my Gunzerker if playing alone or my nurse Siren if playing this online. I'm still not good at playing as the Assassin, and my Commando is level 36-ish.