Nokia: Portico and WP7.8 rolling out this month

Expect to see the new Portico update for the 920 to be rolled out in the next two weeks. This update fixes the reboot issues, improves Bluetooth connectivity, persistent Wi-Fi option and minor performance tweaks. http://wmpoweruser.com/nokia-promises-lumia-920-update-this-month/

People with old Nokia 800 with 7.5 will also be getting the 7.8 update:
http://wmpoweruser.com/windows-phone-7-8-update-now-being-pushed-out-to-the-nokia-lumia-800/