I'm shooting a BowTech Dually and am shooting around 290FPS ,but I also agree with GrgH and Rob on this as well. I also shoot a spot hogg real deal as well as a Impact Archery Cosmic .Set at 20yrds and shooting 30 definately need's just a little compensation ,although my bow does shoot pretty flat there is a little compensation to be made .Now GregH when you buy your Diamond Victory you need to take into consideration ,is this the birth certificate that 's telling you that it shooting 296 or are you reading from the spec's ,being that they're based on a 30"arrow amnd 70# draw and then you need to consider that there is nothing on the string ,so anything you add to the string will also slow your bow down.
I'm sure your aware of this ,but just thought you may not have . So you may be looking at somewhere around 260's after you add your hardwhere to your string ,such as your peep ,silencer's ,nock set's and what ever else you add to it .

nubo