There's also another, similar, project called Perspectives: http://perspectives-project.org/

The Syrian government was doing this recently as well: https://www.eff.org/deeplinks/2011/05/syrian-man-middle-agai...

Oh and don't forget about the EFF's SSL Observatory: https://www.eff.org/observatory

How easy is it to MITM the convergence requests themselves? And does it send all of my web-browsing habits to the notaries? How much money would I have to pay for someone to run a notary for me and would that be safe?

convergence is not compatable with FF 6.0 btw. You'll need to manually check if your using 6.0.

O.

Interesting, but how do you use it?