Appreciate the responses. I basically feel the same, you can remove RR then the next atp/ata equipment becomes to new bis because of how much better those stats are.
The FO merge stuff is kinda an example of what isn't BIS though imo. BIS kind of implies the best in every situation, but FOs can...
Seen a few discussions here and there about how people think about BIS gear. Personally I like the idea of a higher level piece of gear that can reward you for raw levels when you'd otherwise be stat capped far earlier. I also like the way pso has some gear with no restrictions (units), only...