Maybe it has something to do with the 15 second delay between the click on the play button and the actual start of the video.. unacceptable these days imho. Nice read thou :)
I like the Circuit Breaker as a stability pattern.
It is also explained very good in "Release It!" by Michael T. Nygard ( http://pragprog.com/book/mnee/release-it )
In the event of recent news reports and the potential repercussions on MtGox's operations and the market, a decision was taken to close all transactions for the time being in order to protect the site and our users. We will be closely monitoring the situation and will react accordingly.
Indeed, i'm glad i'm not the only one thinking this is a bad thing.. Without the URL bar, there is no direct way to be sure the form isn't fake.. before you know it, many many PayPal accounts will be comprimised..