As you may have already seen, Apple refreshed its entire desktop lineup earlier today.

Nick Mediati, PC World
Mar 3, 2009 5:23 pm

...And while there's nothing really groundbreaking in today's update--it was mostly just a speed bump--there are a few things to be aware of before you go out and plunk down money on a new Mac.

iMacs go integrated: The two lower-end iMacs use an integrated graphics chipset, while all of the previous-generation iMacs used a dedicated graphics card. That said, the integrated graphics the lower-end iMacs use—Nvidia's GeForece 9400—is no slouch (most current games are playable on it), but Mac gamers and those who are looking at an iMac to serve as a graphics workstation will be disappointed. The two higher-end iMac configurations still use dedicated graphics cards.          [Comments...]