Mister Jake Von Slatt over at the rightly revered Steampunk Workshop has a nice overview of the Brass Lion including many new photographs and a short video that are making their debut there. So check it out!
If you are coming from there, welcome! Put on some tea and delve into the history of the bike build and see how it was done in all its unseemly glory.
Addendum: Also boingboing.net and the Makezine blog.
Addendum 2: Gizmodo