Today, August 10, 2015, Open-Mesh Inc. is announcing the End of Sale for the MR900 model.
Update: The MR900 is now out of stock and End of Life. (October 19, 2015)
Customers evaluating the MR900 should consider the MR1750 or MR600. The MR1750 is virtually identical to the MR900, but the 5 GHz radio is 802.11ac rather than 802.11n. The MR600 is a 2x2, 600 Mbps version of the MR900.
Information on the current line of access points can be found here: http://www.open-mesh.com/products/access-points.html
As per Open-Mesh's current EOS policy, the MR900 will continue to be offered for sale until current stock is depleted.