Also martian.cc, tithonium.com, tithonium.net, and tithonium.cc.
I decided not to register the .tv just now. Maybe if we ever start doing that news vidcast.
note: I'm not saying don't use firstname.lastname@example.org. No way in hell am I going to go thru the entire intarweb trying to update all my registrations to make that my official address. I'm just saying you /can/.