Apple today announced that Mac OS X v10.6 Snow Leopard will go on sale Friday, August 28 at Apple’s retail stores and Apple Authorized Resellers, and that Apple’s online store is now accepting pre-orders. Snow Leopard builds on a decade of OS X innovation and success with hundreds of refinements, new core technologies and out of the box support for Microsoft Exchange. Snow Leopard will be available as an upgrade for Mac OS X Leopard users for $29.