Apple MacBook Pro 15-inch (Penryn), at $3,149 (direct), isn't the first laptop to undergo an Intel brain transplant in the form of a next-generation Penryn processor, but it's among the most sizzling we've seen so far. At the heart of this MacBook Pro, the 2.6-GHz Intel Core 2 Duo T9500 CPU and 4GB RAM played a pivotal role in tearing up performance tests, including a compelling 15 percent increase in battery life. There are other new additions worth talking about, but performance enhancements alone should encourage first-generation MacBook Pro owners and frustrated Windows users to take the plunge. For that, it retains the Editors' Choice for mainstream laptops.