No one has a problem or a fix to share it appears, but if WIFI starts acting up out of nowhere and it seeming to break off or reconnect ever more frequently AND you have a wireless keyboard or mouse too... time to replace the batteries. It sure stabilized things on my Linux box.

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edit: Rechargeable they are of course ;D

Still on getting to have WiFi to go up and "remain" up, set a new crontab job on Linux that issues a 1 time ping to the router every minute [keep alive procedure] **, stumbled on the [new to me] term "WPA-Supplicant". Well WPA2-PSK (AES) we know from the encryption key, mine using the 256 bit version. Some will also in past have observed, me many times, that the WiFi link is making connection and not able to complete the final handshake, then bombing, reconnection often only achievable by pulling/reseating the USB plug to reinitialize. At any rate, many roads leading to Rome, Google spat out a pile of reading material on starting/restarting/keep going of the WPA-Supplicant, a script being offered by someone who's handle looked familiar:

http://ubuntuforums.org/showthread.php?t=413499

The Google hits:

http://www.google.com/search?q=linux+wpa+supplicant

Hope something is in there that points to the find of another Grail. If you do, let us know

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** See the "I Confez" thread

PS, now the DHCP lease is set to 12 hours and 16 hours on checking into the router D-Link webpage, they Wifi links are indeed nicely refreshing without a hitch. Overall the scheduled ping ''feels'' like causing the whole WLan to be much more responsive.

edit: A good explanatory read of what WPA_supplicant does and can do, on many OS platforms, Linux and Windows.

http://w1.fi/wpa_supplicant/