Geek Tip: Optimize Your Mac's Performance

If you want to give your beautiful Mac laptop that extra bit of mojo it needs to get back in the fast lane, here are a few tips that just might do the trick.
Clean out start-up items To avoid unnecessary applications automatically setting themselves as start-up items, go to Apple Menu > System Preferences > Accounts > Login Items. To remove them, click on the item and hit the minus button at the bottom of the list. Be careful not to delete any important applications!

For two more tips, read more

Get rid of unused widgets With so many fabulous free widgets available for your dashboard, I know how easy it is to go on a downloading rampage. If there's some you don't use, make sure to disable or delete them as they take up RAM and processor power to run, even when your dashboard is hidden.

Turn off some features If you don't use tools like universal access, bluetooth, speech recognition, and internet sharing, it is best to turn them off as this will save you RAM and processor resources.