Approaching the final version, the latest build offers a much-needed tutorial and more Start screen backgrounds.
Memory and storage are frequently upgraded on laptop computers for better performance. Upgrading your Wi-Fi card can have a big impact on performance as well.
USB 2.0 portable hard drives are common and ideal for compatibility, but are slow performers. Upgrading your portable hard drive to a USB 3.0 enclosure will increase its performance significantly. We'll show you how to upgrade your drive to USB 3.0.
The wait is over -- the official release of Windows 8 is available for you to upgrade your Windows PC. Follow this guide on how to do it.
Apple's MacBook Pro has only one hard-drive slot, but you can replace the optical drive with a bracket to hold another hard drive, and in doing so put a small and cheaper SSD in for a boot drive, to couple with a larger mechanical data drive.
If you are into troubleshooting (and given that you are here at MacFixIt, it's likely that you are), you'll find a wealth of welcome goodies in Mac OS X 10.5 (Leopard). If I were to make a list of Noteworthy New Troubleshooting-Related Features in Leopard
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Tutorial: Resolving slow startup: Speeding up Mac OS X boot time
Odds & Ends: Acrobat; VM tutorial; CPU upgrade price drops; PowerStitch
Tutorial: Ten ways to stay out of trouble