In a Lumia 900 FAQ we recently covered, Nokia has confirmed that the WiFi hotspot / tethering feature will be present on the Lumia 610 and 900 Windows Phones at launch. As for the 710 and 800, which are currently missing this highly desired functionality, we'll likely see an update in the future to activate it. It's pleasing to know that it's actually on the way for owners.
"Q: When will the tethering update for the Lumia devices be pushed out?
A: It will be in coming soon for 800 and 710 via Zune update, for 610 and 900 it will be available at launch."
What's more is that Damian Dinning, camera guru at Nokia, has confirmed on Twitter that the company are looking to introduce a panorama feature on the Lumia 800 - something the Windows Phone lacked for many trigger happy users. Unfortunately, there's no word on a date or if we'll see this introduced on other Lumia handsets, though it makes perfect sense to expect such a roll out.