All three sit around $2500 (found the '15 Ti used). I've only gotten a chance to ride the '17 Warbird Aluminum around a parking lot, which I liked a lot. It sounds like some reviews claim the compliance on the newer, aluminum warbirds is better than the older Ti ones? That's hard to believe, but may be the case. The steel RLT gets good reviews, but I can't find one in a reasonable distance to test ride.
I'm not overly concerned about weight, but am looking for something reasonably quick and at least moderately comfortable. Probably will do mostly longer mixed/gravel rides and maybe the occasional CX race or commute.
It seems like I'm splitting hairs a bit here, but any thoughts or experience with each bike would be great!