To give you somewhat of an idea, here are aerial shots of each.
http://www.wizardpub.com/maui/mrritzcarlton.html
http://www.wizardpub.com/maui/mrfairmontkealani.html
Oh, and if you want more space, you can rent some really awesome condos at Polo Beach Club directly from the owners via VRBO. All the perks of being in Wailea with far fewer people. And look at those killer views!