So pc's obviously rule the world, in terms of shear numbers. With macs doing ok (maybe more so in creative areas). An attempt to redress the balance a little here, with some cool mac utilities. Great design, imagination and of course all free ...
Perian - play almost anything in quicktime
Backdrop - clear your mind and your desktop
PagePacker - diy books, publish and be damned
FuzzyClock - tick tock fuzzy style
Xee - image viewer, see more
VLC - still the king of media players
Optimize - improve performance guide