Few thoughts here on some that we have used in no particular order:
Eberlestock: Brandon loves this bino harness, he used it a bunch last fall and it has has served him well. The pull away system for opening and protection works very well along with the cushy harness.
Mystery Ranch: I put this one through the ringer last fall and it stood up to the abuse. If you like it to open up on top towards you this one is worth a look.
Outdoor Vision: New company, you have probably seen their ads on the forum recently. Good product that I wore last week turkey hunting. I like how it opens as well as some of the cool features, the front pocket is well designed.
Badlands: : The magnetic bino pack is one that many of my friends really liked. The harness on this is designed with wearing a pack in mind.
FHF: Todd has used one for a couple of seasons now and has been pleased. I will see if i can get him to chime in.
Sitka Gear: This one has been used around the office as well. Variety of size options and if you like a zippered option it is worth a look.