On Tuesday, Apple will hold a snazzy press conference to unveil its latest line of MacBooks and MacBook Pros, with the slim possibility of some sort of new notebook model. The notebook market has indubitably taken off as consumers replace desktops with increasingly powerful portables that can fold in half. But what gives with Apple’s other small computer, the Mac mini? The last time Apple updated its smallest Mac was Aug. 7, 2007 — well over 14 months ago. If you think about it, 14 months in “computer” time without a single update is like 1 million years in geologic time.