i heard that website is horrible to do business with. heard several stories of them taking forever to ship the product or running off with your money. Plus 50 bucks to build something so simple with directions online and costing about $5, i think not.
Those articles that talk about cracking WEP glorify how to do it, they make it sound like all they need to do is load a program up and its automatically done. What they dont tell you is that this is most for unix/linux. there really isnt any kind of winders programs that you just load up and it starts cracking packets.
plus cracking a wireless homework will take forever if there is only two computers using the wireless network.
the secuirty problem is there. but with simple steps enabled you can keep your wireless network clean