Your Mac is an investment so it pays for you to take good care of it. With iStat Menus, you can monitor almost every aspect of your Mac. Keep track of memory, CPU load, hard disk space and much more.

How much memory does your iPhone have available? What percentage is your battery sitting at? How much talk time is left? Wi-fi use? iPod time? With iStat for iPhone you never have to guess.

Just like on a computer, when you

surf the Web on your BlackBerry

you accumulate junk. This junk will start to slow down your device if you don't do something about it. The best thing to do is to

remove the browser history, cache, cookies, and pushed content

. That'll get the browser on you BlackBerry back in top shape.

It happens. You download a piece of software to try it out and it turns out, you don't really use it. Whether you use the software or not, it still takes up space on your computer and can slow things down. Remove software you're not using. It's easy! We'll show you how.

TuneUp Utilities 2009 keeps your Windows-based PC running smoothly, can improve start-up time and just generally keeps things in order. And we all know that an organized computer is a happy computer.

Just like your car, your computer needs scheduled maintenance in order to run smoothly. If your PC doesn't seem as fast as it once did perhaps it needs a tuneup. The appropriately named TuneUp Utilities 2008 can help.

Andy and Sean talk about hardware upgrades for your computer.