The Dead Center is a very good bullet. They are accurate as anything else and shoot pretty flat. They only have three drawbacks:
1) Price
2) Velocity limitations
3) My Omega won't shoot them
I shot them for several years in my previous gun with excellent results, mostly the QT and the 195gr Duplex Dead Center. Deer dropped quickly, shot them at ranges out to 200+ yds and they performed everywhere. I have a few recovered ones, they look like nickels with the base of the bullet still discernible in one side. Most were pass-thrus though, I only recovered them on frontal shots.
The thing to be careful of is to limit yourself to about 1800 fps. Depending on the gun, accuracy usually goes away quickly as you exceed 1800 to 2000 fps. I shot them up to 2000 fps well, but my buddy's Encore won't take them over 1800 fps. The soft lead just won't do it. This is why I switched to 200gr Shockwaves when the DCs wouldn't shoot accurately at any velocity in my Omega, they have a slightly lower BC but I can drive them 200fps faster so they still end up shooting flatter.