I can't upgrade mine past OS4. They do have upgraded versions of the OS4, but none are worth upgrading yet. When my phone refuses to run a few different applications (like BBM or Facebook), then I will upgrade. Or just get a new phone. I've had my heart set on getting the Torch for a while now. Everything about it is appealing to me. I am waiting for my contract to be up though. That way I can start fresh with another company like Wind (In Canada) or something that doesn't have a contract. I have a lot of thinking to do.

Send over a PM if you're willing to give BBM a try. I'll give you my pin.