I never feel like the colors look quite right on my monitor. I've seen your guide to calibrating an HDTV, but what about my computer's monitor? How can I make sure I'm getting the best picture?

Whether you're using a desktop or laptop PC, a dual-monitor setup is an easy upgrade that pays big returns in productivity.

You can add an extra display to your Mac (and in some cases three displays). Here's what you need to connect an external monitor, including the right adapter.