So I've been needing a new wireless router for a while now, and as luck would have it, I just noticed Amazon threw a bunch of Cisco/Linksys routers on sale. Now, I want to get a topnotch N router, so my eye was on the E3000. But then I noticed the WRT400N, which has a huge discount on it from it's MSRP. So now I'm wondering, is it worth getting the E3000, or is the 400N just as good, albeit older.