I forgot to mention the news from earlier this week of an important update to Live Local (or is it Virtual Earth?) Downloading a small plug-in brings 3D enhancement, and in my part of the UK at least, the images are of far higher quality than Google Earth. Unsuprisingly, the plug-in only works with Internet Explorer 6/7. The interface is now remarkably similar to Google Earth:
This is a view of my house:
The site is fast and very easy to use, and sharing placemarks is very easy. I see this being used a lot in the classroom, where Google Earth is not available, or where the resolution is inadequate. Stefan Geens has posted a very helpful summary of the merits of Live Local / Virtual Earth 3D.