I have an Extreme Rt900 sight that i would sell if you are interested

It is black, with a bright orange ring around the face. .019 pins. I shot 3d hunter class with it last year, and have practiced with it out at 50 yards. Its a great sight, solid as can be. IT also has a light with it. pm me if interested about it. Im wanting to get rid of it b/c one of my friends can get me a sword sight for really cheap.
http://viewmorepics.myspace.com/index.cfm?fuseaction=viewImage&friendID=540696 51&albumID=2319464&imageID=39506989
If you are buying new, I would have to recommend either Sword, or Cobra's new sight which is fully adjustable w/out tools.
http://www.eders.com/products/1-cobra-drm-five-pin-sight-black-rh.html
http://www.eders.com/products/sword-twilight-hunter-micro-sight-black-rh.html
To shoot accurately at a distance like that, you are going to want to use .019 pins at the largest. You will also want a sight with a smaller face, which will enable you to use a smaller peep, which in turn will make your alignment more consistant, adn you more accurate.
Derek