A couple of weeks after its unveiling, the budget-priced Mac mini has begun shipping. Targeted at would-be switchers and “adders,” the mini is easily the lowest-priced Mac desktop ever. There are always Mac owners who are looking to upgrade older equipment or looking to own a small form factor Mac. Many of those have snapped up Mac minis. However, some of the new Mac mini owners are Windows or Linux users who have always wanted to fool around with Mac OS X, but have been turned off by the Apple’s price structure. A dual-CPU G5 tower will set you back...