Yes - I ended up setting up 3 different wireless LANs at home, segregated by hardware firewalls just so I could have the kids and friends gaming on one WLAN, non business WLAN and a work WLAN.

Saves you from the wily ways of little kids...very damaging, they are
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Rory
MkIIa, blue lit buttons, memory upgrade, 1Tb in Subaru Forester STi
MkII, 240Gb in Mark Lord dock
MkII, 80Gb SSD in dock