"Best OS in the market."5.0 starson by dallascain
Pros: Ease of use. 64bit support. Better security.Time Machine
Cons: Needs network storage for Time machine.
Summary: Blows Vista away. Lots of nice upgrades. More evolutionary than revolutionary though. But thats O.K. , OS X was already so far ahead. Just buy a mac, you will see why people say such good things about them.