After showing off Mac OS X 10.6 "Snow Leopard" at last year's WWDC, Apple is finally ready to ship it out the door this coming September, for a quite reasonable upgrade fee of $29 for Leopard users (as opposed to the regular $129 for larger refreshes). While the added feature list is relatively slim, and there are few surprises between what was confirmed last year and the various leaks from developer previews, Apple's still giving users and developers some fun new tech to play with -- particularly the GPU-exploiting OpenCL, and the GrandCentral tech for developers to ease application optimization for multi-core processors. Pretty nerdy stuff, but if it makes our Dashboard Sudoku Widgets run faster, we can hardly complain. Other updates to the OS Apple is trotting out at W
