The only "High End" Murray are the Serotta made bikes.
Does the one you are interested in look a bit like this one? If so, it is a decent bike but still a gas pipe special. This one was for sale for $50 on the Schwinn forum a couple of years back.
http://www.schwinnbike.com/usa/eng/f...ghlight=adagio
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Carbon: Fuji SL2.1 Di2.......Aluminum: Cannondale Synapse 105........Steel: Vintage Specialized Sirrus
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