Lummy. This should really be a link post, but I think it deserves a full blown announcement here: Google Maps UK. Look at maps, get directions, find local indian takeaways. And if it’s anything like Google Maps in the US, it’ll soon have satellite images…
Check out Multimap Sightseeing.
It does the same thing as Google Sightseeing but for the UK using Multimap.
The Google satellite maps have now been extended, and there’s a site which covers this:
Google Sightseeing UK.