Apple recently updated the Mac Mini with Intel Core Solo and Core Duo chips. Apple no longer sells models with the older PowerPC G4 processors, but you can still find such units available at various online resellers. Since the Intel-based models aren't any more expensive and they promise better performance and include more features, such as Front Row and a remote control, there's no reason to choose a G4-based Mac Mini unless you find a great deal as resellers clear out their old inventory. For our most recent coverage, read our review of the Mac Mini Core Duo.
In OS X 10.7 Lion, Apple will officially do away with software support for the PowerPC architecture. Mac users may want to look at various applications on their systems to see about removing or updating them if they will not run natively on Intel machines.
With Apple's latest update, it appears the company has stopped issuing security updates for OS X 10.5, which means that PowerPC-based Macs will be left more vulnerable.
The next version of the Digital Negative converter will be the last for PowerPC Macs. Does this have implications for Lightroom?
Understanding PowerPC processors and caches
Another coffin nail arrives for those with the older lineage: the Mac version of Mozilla's upcoming e-mail software will work only on Apple's newer Intel-based machines.
The difficulties of supporting some new architectural features on old chips mean Firefox 4 probably will work only on Intel-basd Mac computers.
A PowerPC in your iPhone?
The 17-inch PowerBook is sexy, and it comes with great extras, but it's not much faster than the Titanium model.
Cheaper and more portable, the iBook is a more than worthy alternative to Apple's top-of-the-line PowerBook.