Apple shows off latest products at conference

But the coolest thing by far was "the fastest, most powerful iPhone yet," the new iPhone 3G S, and "the world's most advanced mobile operating system," iPhone OS 3.0. Batteries included On the notebook front, the big news was that as of Monday the new 13- and 15-inch MacBook Pros have advanced built-in batteries similar to the ones already being used in 17-inch MacBook Pros. The new batteries run for up to seven hours (eight hours on the 17-inch models) on a single charge and can be recharged up to 1,000 times, which is around three times more than most laptop batteries. Mac OS X 10.6 Snow Leopard will be a lot like the current version of Leopard but more refined and faster, with free support for Microsoft Exchange (something Microsoft charges for!) and powerful new technologies under the hood. The iPhone OS 3.0 software with over 100 new features including Cut, Copy and Paste;