Kessler, the owner of the Bohemian, wanted to develop its own portfolio of luxe and near-luxe hotels, but they have now affiliated with Marriott's "Autograph Collection".

http://www.kesslercollection.com/_fi...Collection.pdf

Of the two, I think that the Kessler property in Celebration, besides being closer to The Mouse, might offer a more luxe experience than the downtown location (it's a member of Preferred - maybe more of a 4.5* but it's also intimate at 115 rooms):

http://www.celebrationhotel.com/hote...l_overview.asp