I had a recent bad experience with the Cisco Linksys E4200. See my post "Router Problems" but it could have been an interface or configuration issue with my fiber modem here in Japan. I have my router on the second floor of my home and my laptop on the first floor. Both the E4200 and the Netgear N600 I'm using now provide "Excellent" signal strength and data rates (144Mbps) in my home. I'm not an Expert so take my experience for what it is worth.