You can force your phone into updating now rather than waiting for your provider to roll it out. I did this last night and it actually works... http://www.wpcentral.com/force-mango-update-early-through-zune-software Took me a couple of goes to get the timing right on hitting update and disabling the network but once I got it right it worked
HD7... well I suppose its a HD7.1 now as a Linux head it really pains me to say it but M$ have really got this new mobile OS thing cracked! When Win8 comes out as one OS with 3 interfaces for phone tablet and desktop well.... the possibilities....