Microsoft have said that all current phones will get the update...
...I was tempted too far when it was on offer here for £220 (as opposed to £440!)
Interestingly, no other website apart from ebuyer seems to be putting any discount on the Pro 7 in the UK, so maybe it's got a strange demand pattern...
Primary: HTC 7 Pro (now running 7.10.7720.68 2250.21.30201.401)
Not-Quite-Retired: HTC Legend (now to be used as a mobile WiFi hotspot and occasional sat nav)
Previous: HTC S740, Nokia E71 (didn't last!), HTC TyTN II, XDA Exec, SonyEricsson P600i, SPV E200, Motorola A925, Nokia 6600