I've been waiting for a Mac version of Lyx since I switched to Mac. Now its
here ... well okay, technically its been out since last October, whatever.
Apple's Pages is great, until you need to type a formula, then it... well it sucks frankly (Word is better even). Hopefully having Lyx will help fill in the gaps.
Simply Amazing
People come into a cafe and use the free wireless network. They have windows running, with their C drive shared out and a blank Administrator password, never thinking twice about it.

Just in time.