Apple's new 2010 Mac mini is wider (7.7 inches square, just like the existing Apple TV) but significantly thinner (just 1.4 inches thick) and easier to take apart than previous models. A teardown ...

New Macs can be pricey, so it's often a good idea to look towards a nice refurbished unit instead. However, regardless of their condition, there are some Mac models that are best left on the shelf, ...