I have noticed that as of 2013 with the arrival of Ivy Bridge, there is essentially no laptop with WiFi working out of the box. They all use either Intel Centrino cards, or modern Broadcom or Atheros cards which are not supported by OS X.
Apple hasn't updated their wlan cards in quite a while so we're stuck with drivers that only support the ancient AR9285 and some older BCM chips.
To make matters worse, some OEMs like LENOVO and HP add whitelist to their BIOS to prevent the wlan cards from being replaced by the end user. Repulsive behavior from those companies. Other OEMs such as Dell, Toshiba and Samsung don't have such whitelists.
Rumors have it that Apple will be including new Broadcom wlan cards based on the 802.11ac standard in the near future, most probably with the introduction of Haswell.
That means we might soon see updated drivers for BCM 802.11ac wlan chips and possibly even some backward compatibility current-gen unsupported 802.11n chips (such as 4365, 4313... etc)
I doubt any Centrino or newer Atheros chipset would ever get official support from Apple.
Hopefully some talented dev with the need time and skills can port linux drivers for those cards, though I was told that it would be a major challenge due to encryption and lack of code samples by Apple.
I guess we'll just have to wait and see.
Dr. HurtMember Since 29 Jan 2006
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