Easy of setup - Had issues with setting up pppoe but finally found success Signal strength and range - The best I have ever experience with any router that I have used NAS - Works great both from Mac & Windows machines Additional USB Hard drive when connected to Time Capsule had trouble connecting to it at times. Excellent Router for home and office users. Extremely efficient and now with advanced ac wireless connectivity makes it blazingly fast. Backs up you mac to Time Machine. You can create a Guest Network for friends and relatives securing your personal network. In built WD hard drive is fast. Remember, you can only transfer files on the air. Its a cable router.This is one of "The best" routers i have ever come across. Setup happens in a breeze..... Super easy to manage data wirelessly. Amazingly fast data transfers. I am using it on six devices simultaneoulsy including my apple tv. Definately a great buy. Go ahead folks, i assure this wont ever dissapo