With your work in Web 2.0 I recommend you take a look at Wiziq's virtual classroom and authorstream's power point presentation platform. Both are web based, have a bunch of features, and free basic service.
It was my pleasure really and wow it is a small world isn't it! Fancy meeting you here! This is my favourite ning! Over 15000 members and growing. It is going to take me years to get to see half of the great ideas shared here. The other ning I like is: k12 open source
I mentioned the flatclassrooms project
the flatclassrooms project kids collaborated on a ning:
Lovely to meet you all and I too look forward to working with everyone next year. Merry Christmas