Allthough Mozilla's Eddie Lee had successfully proven the concept in a beta back in October, the latest beta of Firefox 3.2 brings multitouch gestures to the MacBook line... even on previous generation MBPs!
Gadget Lab's Charlie Sorrel was impressed:
I gave it a try, and the gestures are even better than those in Apple's own browser, Safari...
On my old (multibody?) MacBook Pro, the gestures are all supported. The "pinch-to-zoom" differs from Safari's in that it will keep zooming as you move your fingers -- in Safari, each pinch motion only gives one level of zoom meaning you need to repeat the gesture to zoom more than one level.
The twist-to-switch-tabs gesture works a lot better than you'd think, including wrap-around so that once you get to the last tab, another clockwise tweak brings you to the first tab.
I'm distrustful of Firefox upgrades after being burned after every upgrade as yet another indispensable extension defuncts, otherwise I'd give it a go. Anyone in our readership taken it for a spin?
Firefox Adds Multitouch Gestures for Macs [Gadget Lab]