Safari browser is broken

Last weekend i’ve been playing with an iMac, i was checking my website against its Safari browser and i was very pleased to see it works pretty good (all things were rendered correctly).

Now Apple made Safari browser available for Windows too, but its rendering is pretty much broken, most of the sites (except apple.com) are rendered incorrectly (compared to the results from IE, Opera and FF) one way or another.

My website is missing some pieces in Safari (headers, navigation tabs):

PELock website broken in Safari

At first i thought it’s my fault (some incorrect CSS styling or smth), but then i’ve realized even Google’s site is broken (blank spaces):

Google’s website broken in Safari

I wonder did they even test it in Windows before the release?