My five year old wifi hardware got flaky and slow, so I looked around and decided to go with the D-Link DIR-825 as my central node and a DAP-1522 to bridge to my TV etc.
They are both N spec dual frequency systems. Arrived today from Amazon for $225 for the pair.
[Update: they are working fine, I have a 130Mbit/s link speed reported on the 5GHz link between the DIR-825 and the DAP-1522, and Ive shut down all the old WiFi networks].