revel needs a lot of high-current juice, which i'm not sure the yamaha or lower cambridge will provide. i've had vg results with parasound or, if you can find one, acurus dia100 or 150.
It is not in your price range, but the Magnum Dynalab MD-208 receiver is an absolute Gem. It can be a bit surprising what good music there is on the FM dial....esp. if you live in an are with one or more college stations.
Naim pretty famous for integrates with balls. Your speakers deserve something special. Try Tyler at Next Level Audio. Have only bought one Naim unit from him but he seems like a nice straight up guy. Just an opinion.
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