An official Windows Phone 7.8 rollout to Nokia devices like the Lumia 510, 800 and 900 seemed all but inevitable after it popped up on third party Nokia ROM site NaviFirm, then a couple days later on Nokia's own servers. Now, Dutch site WP7.nl is reporting that Nokia has started rolling it out in earnest to the Lumia 800, at least on that side of the pond. Provided your device is up-to-date, you may soon