Yeah. OS X is niiiiiiice. Both my iBook and my PowerMac run it exclusively and I'm loving it.
Once I can get a 19" LCD with a maxres of 1600x1200 with good flicker-free refresh (disclaimer: I am largely ignorant of current LCD technology in this area) for about $500, I will be all over that shit. Until then, my GDM-F400 and CPD-G400 -
http://www.digipulse.org/images/setup.jpg - will do quite nicely.
Netscape 3.x -> 4.x - at release: -1; now: -3