Believe it or not, upgradeability, durability, and repairability are parts of Apple’s DNA. Over the years, most Macs have lived up to that legacy, while others have fallen a little—or a lot—short. Here's a look at the best and worst Macs ever when it comes to repairability and upgradeability.
When you think you need more RAM, you may be right, but read out helpful little guide to get a better idea of why you might and how much you might need.
Finally getting around to upgrading the Mac OS? Chris Breen points out the obvious differences you'll feel at first.