Admittedly I have souped up my routers WiFi but thats another story.
All these modem/gateways seem to be establishing WiFi channels on the old 802.11b standard of 1-6-11 and not the new 802.11g/n split of 1-5-9-13.
Shouldn't the Telco who pre-configure these devices be allocating 1-5-9-13 channel shifting.
This reduces overlap of signal and gives greater abillity to reduce signal conflict.
Admittedly channel 12, 13 is going to be a struggle while America is the centre of the universe and many Laptop/PC cards only support a channel range of 1-11, but most modem/gateway WiFi with country allocation should support up to channel 13. (New Zealand 1-13 channels)
This all comes about as 802.11g/n provide a 20Mhz channel width instead of the old 802.11b 22Mhz channel width.
Just waiting for the first Android 5Ghz mobile phone and then I guess I can leave the masses to stew in their own primordial 2.4Ghz soup.
And by then, knowing my luck, the hood will have already got in their covered wagons, charged off to 5Ghz country and already staked their claims. Doh! 
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