In an earlier post I detailed how to remove the intel mini PCIe WiFi/Bluetooth/WiDi card from a Samsung ATIV T700 slate (although the instructions cover most other machines) as an interim with another cheap card, at least until intel came up with working drivers for the 6235. After the last few weeks (having waited for months now) it seems intel is struggling to find a fix for this card and I seriously doubt a driver will be any time soon. Anyhow, I have bitten the bullet and replaced the interim fix of a cheap Broadcom card with a Killer Wireless 1202 card and drivers. I was a little sceptical on leaving behind the 6235 given the good reviews of the intel card. Anyhow, the Killer Wireless is in and WOW! This card flies! I would seriously suggest anybody considering replacement of the 6235 do so with the Killer Wireless 1202. My Blog details how to do this. http://macdonaldz.blog.com/2013/06/01/replace-intel-centrino-advanced-n-6235/ The upside with the killer 1202 is it's MIMI power which is needed for slates and laptops (although you need to enable it); its speed. I get 11+ MBps out of it with Killer's additional QoS that prioritises traffic (500MB media file took 4 minutes from my NAS to desktop through Windows Explorer). Its roaming and reconnect from sleep is amazingly FAST and it's rock solid on connection! Yes I've lost WiDI but truth is I never really had it as I've been running on the old intel WiFi drivers which do not include WiDi. Anyhow for ~$45 this card outdoes the intel card and the Broadcom in spades and installation of the Win 8 64bit drivers was flawless.
Good luck...
C-