I actually made myself a Broadcom airport card, for less than $20 and it's faultless. Atheros cards have always worked great for me too. The only time I've eve

I actually made myself a Broadcom airport card, for less than $20 and it's faultless. Atheros cards have always worked great for me too. The only time I've ever had WiFi problems is under really really old versions of Ubuntu on a ThinkPad. I suspect a lot of problems are caused by interference, or really densely populated areas. Even out here in the boonies of North Houston, there are 8 - 10 WiFi networks visible, neighbors etc.