Blacktree 'account suspended'...anyone know about this?

A friend of mine just performed a clean install of leopard, and then went to get Quicksilver…but Blacktree is down….

http://quicksilver.blacktree.com

suspended acct. is the reason…does anyone know anything about this? thanks for the help.

Quicksilver Website

Very strange; I downloaded a b53 which works, but since the website is down I can’t download plug-ins. Does anyone out there (including you Merlin) know how to contact these folks?