I had A LOT of problems with my WLAN, but I got no help, others said it's all OK you are thinking things up. I had very looong loading times, slow speed, mail wasn't updating... Now it's all gone, I just played with settings until I found one that was great on my N900. So try what I did: I set wireless settings to WPA2-psk, AES, and that was it. the problem was TKIP that was used on WEP and WPA. and lose WEP it so easy to crack, you can learn on youtube ant it takes sometimes only 5mins....