I don't have a favorite handle material, I just want materials and texture that is suitable for the application.
Seki and Taichung FRN is in my estimation very good.
I've only had linerless Seki models, and I have never had any reason to doubt their ruggedness.
I have only one model from Golden with "fancy plastic", that's the Native 5 Salt. Some say its's FRCP, but it's listed as FRN.
I can't say it doesn't do the job, but it's not even close to the perceived quality of Seki and Taichung FRN. I just don't like the feel of it, and it has truly kept me from trying out other FRN models out of Golden.
Now, as I said, the Seki FRNs are good, but if I can suggest one Spyderco knife to change your mind about FRN, it would be the Chaparral LW. You will not mind the FRN, it oozes with quality.
From top: Benchmade Bugout (good plastic*), Native 5 Salt (fair plastic*), Chaparral LW (plastic fantastic*), Dragonfly 2 (great plastic*).
*These ratings are VERY subjective