Dual Band Routers - Are They An Improvement?

According to the user manuals, Netgear's EX6100 & EX6200 extenders allow the use of "fast lane" technology which, if configured, will allow one band to be used for the link to the router, and the other band to be used to connect the client devices - this, in theory, will allow operation without the 50% drop in throughput. I get the impression that neither of you understands the reason for the degradation - most WiFi devices are single duplex - they can transmit and they can receive, but they cannot do so at the same time - in the case of a single band repeater (or extender) this means that the unit must receive the request from the client, transmit it to the router, then receive the response from the router and transmit it to the client - roughly half the time is spent transmitting in one direction or the other, and the other half receiving. This, by the way, is a "best case scenario" with only one client - as the number of clients increases, so does the degradation. By using "fast lane" technology - or - a second radio for the "back haul" - there is less degradation as the extender can be transmitting data to the client at the same time as it is receiving it from the router - there will still be some degradation because the radios are still half duplex, but nowhere near as much as if it were a single band repeater. So - yes - connecting an EX6200 to your router on one band and to the PS3 on the other can be expected to give better performance than you're getting now - which band should be used where for best performance will have to be determined by trial & error. http://kb.netgear.com/app/answers/detail/a_id/24662/~/what-is-fastlane-technology-and-how-to-configure-it%3F