No specific info about version 3.1. Please visit the main page of Quantum GIS on Mac Informer.
Google Earth gives you a wealth of imagery and geographic information.
World Book Day special promotion: 35% discount from today to April 23th.
Mind Vector is a mind mapping application for Mac users.
Magic Maps is an innovative tool for analyzing time-series data on a map.
Quantum FX is two great packages in one: an instant pro audio toolkit.