Feb. 19-25 You can get a PC Tune Up at Staples for free. I know I'll be hauling my laptop in just for the free dusting, keyboard cleaning and and screen cleaning!
The actual product page can be found here (it wouldn't let me post with it): http://www.staples.com/PC-Tune-Up-Plus/product_322391
Perform System Analysis including Virus/Spyware check, Security Software Analysis and Device Manager check.
Thorough PC Disk Clean Up and Optimization (Delete Internet Cookies, Temporary Files, Optimize Registry).
Cleaning of dust buildup.
Cleaning of screen (where applicable) and keyboard.
Speed up the start-up time of your computer.
Schedule your Windows updates so your computer keeps running smoothly.