I've ran Hackintosh systems in the past.... and for me, just wasn't worth it over Win 7 (at the time)
Much easier to make a decent Linux box and use that instead as I have zero software that needs osx
Yes it's all about the 6ghz headline speed, but that's achievable on Intel too. Thing is this is the first time AMD seem to be able to overclock to the same sort of degree as Intel