I don't particularly care for any one brand of sights. I like the Hi-Viz front sight I put on my Ruger MkII, but I like the solid black sights on my 1989 Colt Government. I don't really care much for dot sights, as I usually don't use the dots...if anything, sometimes they distract me. Some of the easiest sights for me to shoot are the red/orange front sights with the "U" white outline on the rear sight.
I took the small GI sights on my RIA 1911A1 and painted the front sight with a fluorescent green and did the rear with a white "U", and I'm amazed as to how well I shoot with the gun.....Oh yeah, for target shooting, I really don't care for that groove sight on the top of my AMT Backup 45ACP, either......I take each sight for what it is and for its application, or the color of the target and how the sight contrasts or blends in with that target color. I've never had a sight "fail", but I have had a few that didn't want to cooperate as well as others in a certain situation.