Other than the absence of a few sliders in Highlights & Shadows, there is nothing to lose and everything to gain by upgrading to Aperture 3.3.1 Youll need Mac OS X Lion 10.7.4 to do so, however. So if youre still holding out with Snow Leopard, youll have to upgrade to run the latest Aperture.

Photographers with the new MacBook Pro 15-inch Retina display are in for a special treat with Aperture 3.3.1 It is visually stunning on these machines.

iPhoto fans who have wanted to move to Aperture, but were intimidated by the library transition process and the unfamiliar interface can now rest assured that it is flat out simple to convert.