Ho!! you're amazing ...
works for me on acer S3 -951, whit the version 2.1 Final i have multigestures, 2,3,4 fingers, only the horizontal scroll don't work and whit the
version 2.1.3 i fell most natural the 2 fingers scroll but the others gestures like show notification panel (ML) don't work, i still testing.
Thank's for you hard work i say good bye my ugly flat mouse.
Saludos desde Oaxaca Mexico.!!
**UPDATE -
I reinstall ML and update to 10.8.2
Reconfigure the touchpad settings 'till works like i want =) ...
Thanks You're the best!