Apple has released Mac OS X 10.5.7, adding a variety of bug fixes, security updates and expanded hardware support. The update provides additional RAW image support for cameras such as the Canon EOS Mark II, EOS 50D, Nikon D3X, Nikon D90 and Sony DSLR-A900, among others. Video playback and cursor movements have been improved for recent Macs with NVIDIA graphics components, while the expansion slot
