I've had quite a few PF and DF parties that have had people gearing up in weird accessories (Casters using spare, off-classed i90 accessories to meet iLvl requirements for duties) that have then completely screwed over any chance the group has of winning by essentially gaming the system in a really stupid way. Weighting it may be difficult because having it be a fair weighting would take a lot of testing and trial-and-error, perhaps posting weapon level and prime stat may be more effective.

Either way, a change in the displayed and advertised item level average would be greatly appreciated! That, and maybe an explanation of how players are expected to clear certain content with the minimum required iLvl (Titan HM with i57, Garuda EX with i65 come to mind)