I have one in RG and would definitely buy a spare. I use it for trail running almost every day, and fit-wise I actually prefer it to wearing a KB separately. (I'm 5'9", 38" chest, using a OGKB V2)
If they do make a comeback, I hope the Hill Bros consider adding the same center looploc on the yolk that the regular harnesses have (behind your neck), for use with the Ute. Even just for hiking, I like the runners harness that much.