Network World Fusion — focused more on the enterprise and business wireless.
Tom’s Networking — SmallNetBuilder and Tom’s Hardware Networking Guide join forces
PracticallyNetworked — by the Internet.com folks but still pretty decent.
(Update at 14:51) FirewallGuide has a wireless page. Looks just a little dated but there are some interesting links.
(Update at 14:55) How could I forget eWeek’s Wireless Guide?
More as I find ’em.