When open windows start piling up on your desktop, Mac OS X Leopard provides a great way to establish control. Spaces. How can Spaces help you get more organized? Find out by reading the latest Pro Tip of the Week.

Of three ultrathin portables — MacBook Air, Toshiba Portege, and Lenovo ThinkPad — which is the most usable? To find out, Computerworld turned to usability experts and 20 impartial testers. Those testers, David Haskin relates, found MacBook Air the most usable, the most fun, and the best value of the three. In fact, they made MacBook Air “the clear winner when asked which laptop they’d purchase.”