Some sources have leaked that Vodafone is delaying the OTA release of FroYo to all Nexus One mobiles in Europe that were purchased through them for two more weeks. They promised to leave the firmware intact and now they have changed their minds and are modifying it!
They apparently say they are "improving" it so that emergency calls and "other small issues" work properly with their network. I am personally afraid they're gonna nerf some functionality or add some sort of restrictions.
This is just frustrating!