The O'Reilly MacDevCenter sparked this discussion, which has the potential to become the Mac version of the old Emacs versus vi dispute.

That is Finder, Mail, Camino, Mozilla, Fire, iTunes, iPhoto, WordLookup, Look It Up, iTerm, JEdit, Remote Desktop Connection, System Settings, Fugu, ChromaCocoa, Sherlock, Console, X11, jNotes, NetNewsWire Lite, SubEthaEdit, PerlPad, Start OpenOffice.org, and Tofu positioned at the bottom (non-hiding) with magnification enabled.