I have Wireless Wizard Setup on my desktop computer does that mean I already have a Wireless Card installed?

The wireless wizard just sets up a "new" wireless connection. This is what I'm using <a href="http://www.amazon.com/TRENDnet-108Mbps-Wireless-Adapter-TEW-444UB/dp/B000ANOYMC/ref=pd_bbs_10?ie=UTF8&s=electronics&qid=1235013302&sr=8-10," rel="nofollow">http://www.amazon.com/TRENDnet-108Mbps-W...</a> it isn't spectacular, but my internet cost is ummm.....affordable. If you live a residential neighborhood with several houses nearby, chances are someone has a wireless router hooked up, that you can ride "piggy back" on. There are better (usb) routers on the market. Linksys WRT54G/WRT54GS and Apple Airport Express seem to be the best ones I've heard about for the money. If you live far out in the country and don't have any neighbors nearby, you likely just need to get a plan. If you get a pocket USB wifi adapter such the one I'm using, remove the plastic case and set it in the window sill with the flat metallic square facing the out. I have mine mounted in a USB vertical plug/extension USB ...  more