How much money was lost when it shut down? (You can also edit the wiki page and add this info). Best estimates of course.
According to this speculative thread at bitcointalk.org forums, a minimum of 27,000 BTC (worth $370,000 USD at that time), with a possible maximum of 75,000 BTC, estimated.
Here's a screen cap of the first post in the thread, in case the forum later disappears: