Maybe an unpopular opinion, but I actually don't mind the FRN or "grivory" handles. They are *slightly* flexible, but I only ever notice this when I deliberately try to squish the scales together, and it takes a decent amount of force to actually bend them significantly. In use, it's not an issue. That said, I think every other material looks better, and I keep thinking of getting one or two more bugouts, so I can have one with titanium scales, one with G10, maybe one with micarta...
The FRN is not the most grippy material though, and titanium will be even less so. Keep that in mind.