I can' t comment on the UltraTec with the Spiral cam but I drew a RazorTec with the Cam& 1/2 and it is very smooth to draw. I can however recomend the BowTech Patriot Dually if you are looking for the ultimate hunting bow with some serious 3-D shooting in mind. This bow has a serious draw force curve and you should be aware that you' ll have to do a little more work when you first start shooting one. After 25 shots though, you' ll have figured out where all that energy goes, into the target!!!!! Pulling the arrows, if your target stops them, is a workout in it' s self. The Pat DC is very accurate and forgiving and a my 71 pounder puts out over 83 foot pounds of energy, enough for Africa The Hoyt' s are great quality and I don' t think anyone will argue that point. Buy the one that feels the best to you and enjoy!