If you still haven’t upgraded to 802.11ac, the venerable Netgear Nighthawk X4 is down to $170 today on Amazon, the best price Amazon’s ever listed. That gets you just about every feature you could want, including USB and eSATA ports for external storage, multi-user MIMO, and four beamforming antennas.
Source: Kotaku – Upgrade to 802.11ac With This Discounted NETGEAR Nighthawk