One of my hunting buddies owns the pro-shop in Topeka, KS. He is a Mathews dealer so it didn't take to long before I was shooting the Mathews Reezen 7.0 which was the pre-cursor to the z7. I have been considering buying a z7 but am reluctant because of the price tag. $769 bare I think is the going rate. Having shot this bow I found it to have a very smooth draw, a narrow valley, and a completly shock free release and zero torque. All of which are a huge plus.
The narrow valley is the amount of creep you can make between the 80% letoff and full draw weight. This helps keep you honest and your shots more consistant. Some bows have torque which at full draw. The bow wants to sway one side or the other. The z7 seems to hold dead on with little to no effort on the part of the shooter. The bow is quiet, smooth, and fast. 255 is a hair slow for this bowbut you won't get the 308fps published. Draw weight and draw length will play a part in the speed as well as arrow weight.
If your not into archery and are not really up on pricing. By the time you buy the bow, rest, sights, quiver, arrows ect. You are looking at the neighborhood of $1100-1200 without shooting the moon. The bow set up the way I want would be closer to $1400. Much like the pretty rifle sitting on the shelf still needs a scope, base, and rings. A bow needs a few extras to make it functional.