BTW when I mention modifying the IPAQ its simply means running Linux on it, which makes it a more usefull tool with regards to testing wireless
http://www.ipaqlinux.com/
That is a really good thing about the IPAQ its ability to be well hacked, ive seen nearly everything running on them SNES games included
http://iq3630.nobody.jp/snes9x2/snes9x2.htm