With the TRP series you are paying for a pistol that has more features (checkering, sights, finish) and hand fitting than a typical production gun. Looking inside the TRP you'll find many of the parts are numbered to match together, which is indicative of a pistol that has received special attention. The vast majority of production 1911s are machined with looser tolerances so that can be assembled rather than being fit/married together by hand.
Dan Wessons, when priced competitively, are in the same ballpark as the TRPs, but you get better quality small parts. Dan Wesson prides themselves on being MIM-free. Whether or not someone feels that is necessary doesn't really matter; there is a cost associated with the deletion of MIM.
For me, Les Baer is where I find nirvana for a hand fitted pistol. They feel like one solid piece of metal rather than a conglomeration of parts. They don't cost that much more than a DW, which for me places both the TRP and DW guns in an uncomfy price bracket. YMMV