Are you sure about that? It's been reported that facebook, skype, last.fm and email, require the over the air update facility provided by Three, which isn't (yet) available on other netwroks.
Originally Posted by SuddenImpulse: “The things I want it for, such as fb, myspace and youtube are available on my own network, Orange. I don't care much for the rest.”
The Facebook etc is integrated into the phone and relies on the network. Also, the phone receives software updates automatically from the network. So you would never get an update as kielliam say.