Take a look at MyConservatives.com, which I wrote about yesterday. It was launched this morning and is getting some good reviews. It's way ahead of anything the other parties are doing and for the first time brings together the ability to fundraise and campaign online. From what I have seen of it it is a sort of Facebook for politics.
Congrats to the CCHQ team who have been working on it for some months. I hope to make full use of it as a candidate in the near future :)
Oh, and I love their Error 404 page... chum.