I got a bit of spam on the weekend that offered a free download of this Apple browser for Windows. Out of curiosity, I downloaded it, and I've been fiddling with it for a couple days. My initial take is that it is very similar to Firefox in operation but maybe a bit faster. Here is a link for anyone who's interested:
http://www.apple.com/safari/download/
http://www.apple.com/safari/download/