While the new MacBook Pro line-up delivers the Sandy bridge update consumers have been clamoring for, Apple has something for developers too. The new developer preview of Mac OS X Lion has been released, adding full-screen app support, pinch and double-tap zoom in Safari – some of the multitouch gestures borrowed from OS X – a document saving system called Versions (which automatically saves successive versions of documents as you work on them) and AirDrop, a wireless file transfer system for drag & drop moving of documents between Macs.















