NVG589 and considering aftermarket router
I was told this morning by a Uverse tech that it might behoove me to purchase an aftermarket router because the NVG589 just doesn't seem to be able to get me the speed (I pay for 45mbps). According to him, all my lines look clear. He even switched out the router NVG589 to another one (same router) and still, I'm getting about 20 mbps. I have tried changing the channels and rerunning, I have tried switching the mode from B/G/N to N-only. I only have the one device connected and I am about 10 feet from the router. He just thinks the NVG can't get me there.
So my question: if I run out and buy a Netgear or some other good quality aftermarket router, am I going to have a bear of a time setting it up if I am super non-techy? I have read through some of these forums on ways to accomplish this and frankly I just feel overwhlemed by all the terminlology that I don't understand. Is it a bad idea to even try this or is there actually a simple router/set-up that a newbie can understand?