I just purchased a 105 front hub from Cambria last week. I called Shimano because the QR meets all the requirements. The guy at Shimano said I should go to my LBS for final verification. I asked if the LBS would do the exchange, even if I bough it online, and he said it'd be up for them.
I'm going to call Cambria also to see what they say but I'll take it to the LBS just so they can verify that this is, indeed, a bum skewer.
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2014 Specialized Roubaix2003 Interloc Impala2007 ParkPre Image C6 (RIP)