you are saying they get outshined, yet you drop the effectiveness and increase the weight. that'll only make then more useless.
there is no fairness between free players and paid players. they paid for it, period. if you want an advantage, pay. stop complaining about how the paid players always gets good stuff. if you work hard, farm a lot, and don't give up on it, you'll get those same good stuff too, eventually.
if you make these ones E-M, then what are you gona do with the R-E ones? trash them or combine them into R-M?
they have their use, they are lighter. for those who don't have as much free space. At this point, res is probably seem as more important than loads of hp. having high res at low weight is still better than not having any due to overweight.