just purchased rt-88u: should i have looked at others

So without coming here first I just got a rt-88u to replace my now out of support rt-66u router. I wanted something that would cover my entire house (2000 sq/ft) and just looking between various models, i saw that the 88u had 4 antennas. Although I didn't think about it at the time, a tri band router would have worked better for me since I have a 66u set up as a bridge.
In any event, is the 88u just as good as the 86u? I just noticed someone else mention here that despite the naming, the...

just purchased rt-88u: should i have looked at others