AirPort not connecting consistently on new iMac aluminum

Just got a new iMac. Awesome toy but with a couple of bugs. I am having the freezing (beachball) issue but the most anoying one is the AirPort disconnect.
I have a wep connection and when I boot sometimes it connects automatically, sometimes it doesn't. Other times it just drops the connection. Signal strength is always good at 100%. (router 10 feet away)
To re-enable, i have to turn off air port, wait about 10 seconds and turn it back on. 9 times out of 10 it works. If not I have to keep doing this until it connects. If I just try to connect to the network ssid, it never works.
Anyone else have this issue or know of a fix.

try:
from the Airport (little radar in menu bar) pull-down menu,
turn-on "Interference Robustness"
the next step would be changing the channel settings in the router from 11 to 6
+any 2.4Ghz cordless phone around?+
Thanks,
den
.

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