I had a bear supermag 48 as my turkey bow, but my dad liked it so much that now its his, and it was stacking bad at my draw length, I really like the u-finish horse bow from crowshead outffiters, would this be a good turkey bow?, has anyone shot one?

Not sure on the bow you ask of, but check out the Sheepeater bows from Black Mountain.  They are sponsors of this site.
Dan

trust me, if I had the funds, I would have had a sheapeatter ordered by now

Those kits look pretty neat.  Haven't seen one in person, but I'd like to check one out.  Go ahead and try it and let us know.  

56" would be good bow for turkey out of a blind plus it won't stack like the shorter 48" or 52" bows do.

Don't know about this particular bow, but generally, horsebows don't have an arrow shelf.  You shoot them off your hand.  They accept a much smaller range of spines than a center shot bow.  On the other hand, their design allows a longer draw with less stacking.