I definitely would like some top loading bags for trips. I agree the factory look the best but when I'm on a trip I purposely try to stay out of the bags. Stuffed liners get pinched all the time when closing the lids. When commuting I don't use the bags much, I prefer using the top case because it is easier to get in and out of without crap falling on the ground.
I'm a Givi dealer and plan on adapting the OBK37 sides to my FJR. The OBK42B top (Black just were released) just arrived yesterday. It connects to our SR357 top racks!
I will be utilizing some existing mounts that Givi makes, but modifying them to fit on the FJR with a Cross brace just in front of the rear tail reflector for stability.