This is big news and akin to Apple releasing software that runs on Windows. Six Apart should be commended for choosing a very grassroots-type Wordpress event to make this announcement and we think this is a good way to introduce its services to bloggers on other platforms. Shashi Bellamkonda had the opportunity to interview Six Apart VP Anil Dash about this shocking move. You can find that interview here.
At press time we have not had a chance to try out Six Apart's new free, open source plugins but Wordpress users can read more about them and try them out here.