Anyone else seeing high failure rates with Meraki MR16?

I'm at a small college, with about 110 APs across about 20 buildings. We'd filled up our aging WCS/WLC 4400 wifi system, and so in January replaced it with Cisco/Meraki. We ordered our equipment in late December, and installed during our Winter break. Thus, our first new APs came live about Jan 10th. We started by expanding our wifi coverage into four dorms, and then swapped out the 75 Cisco APs from our old system.
I had two MR16s fail withn the first couple weeks. Got an email report that they were offline, and on investigation found that they had only the Power LED lit orange. No response at all to the reset button, and no sign that they are attempting to boot (No console port on the MR16, but it doesn't seem to boot enough to give any error signal via the LEDs.)
Since then I've had four more failures, for a total of six out of 105 APs deployed. (I still have a few in boxes to go spots where I need to pull cable first). None of these were DOA, they all came up just fine, and failed after a week or a few weeks of operation.
I'm assuming that we just got a bad production run or something, but have no idea how wide scale an issue it might be. So, please let me know if you've seen a failure rate above, say, 1% on Meraki APs.
Conversly , if you got a bunch of MR16s in December 2013 or Jan 2014, and they are all working just fine, let me know that, also.
Thanks,
Steve Bohrer

I got an email from a tech who had been involved on my latest ticket about an AP failure:
"I've scheduled the software upgrade for your next maintenance window on Wed 11th June at 6am. Alongside the fix for the issue contributing to MR16 failures the following enhancements are included:
New VLAN debugging tools to help detect VLAN configuration problems
Distributed layer 3 roaming (no concentrator appliance required)
802.11k (radio resource management) and 802.11r (fast BSS transition) wireless protocols
Hotspot 2.0/802.11u wireless protocols
Enhanced stability and performance improvements"
He also suggested that I could push it out sooner by logging into dashboard.meraki.com and then going to the Configure > Network-wide settings page. On that page, in the "Firmware upgrades" section was the date the tech mentioned, but also the options to "Reschedule the upgrade" and to "Perform the upgrade now".  I scheduled it for early the next Saturday morning.
(These options are usually greyed-out if your firmware is up-to-date. The page also notes when you last did an upgrade; however, I don't know if there's anything that shows the firmware version you are running.)
I asked the tech who sent the above for more details about "the fix for the issue contributing to MR16 failures" but he says it is not public information.

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