WLAN analyzers

Does anyone have any thoughts on what the best WLAN anyalzer on the market is. This would include the best bang for the buck. I am collectively researched and seen that the top three would be AirMagnet, NAI Wireless Sniffer, AiroPeekNX (WildPackets). I am particularly interested in a 802.11 a/b analyzer. NAI Wireless Sniffer seems to be pretty intense on what it can do as far as troubleshooting at all layers of the OSI, but carries a hefty price. So with that said, I would think the battle of best overall product including price would be between AirMagnet and AiroPeek NX. Anybody currently using the dual 802.11a/b analyzer have any recommendations

Heres a nice article in Network Magazine
Wireless LAN Analyzers: The Ultimate Hacking Tools?
http://networkmagazine.com/article/NMG20030305S0001
This give a good comparision of Software based analyzers and the Hardware analyzers

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    Is DHCP enabled on your router ?
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