In my daily jaunt across the web, I stumbled across this link to an article on Microsoft's website that deals with the quality of a wireless network. There are a couple of useful tips in this article, along with some common sense suggestions. Either way, some good information for those of you looking to get the most from your WiFi.
"If Microsoft Windows XP ever notifies you about a weak signal, it probably means your connection isn't as fast or as reliable as it could be. Worse, you might lose your connection entirely in some parts of your home. If you're looking to improve the signal for your wireless network, try some of these tips for extending your wireless range and improving your wireless network performance."