Same problem as well with the W200, however I did get it to work after a day or so. I have the Evo n610c runnung Win2k. I use the linksys router befw11s4 v2. Like most it works with the linksys card but not the W200. Again like some posting I have read I get a strong signal but no IP. I finally concluded that the W200 does not register in the linksys DHCP table. It never appeard. Strangely, I would get a valid IP for a minute then lose it but it still never showed in the linksys DHCP. BTW when I had the IP I still could not hit the web or my LAN.
How I got a connection was by setting a static IP address. Unpon reboot, success. I did a lot but for the recored:
1. I did try the pervious W200 driver but no luck for me. Both the latest & old W200 driver work for the static IP.
2. Before this all started I was at 128 bit encryp. I dropped it down to 64 bit using 4 keys manually generated. I manaully entered in router as well as the W200 client manager. I will try 128 tonight.
It was painful but just wanted to add my two cents. The down side to this is that I will have to set the TCP\IP back to standard when visiting friends with a linksys since I am static.
Parco