I just switch from orcish armor to glass and have a major surplus of weight and 1 ring to enchant with majicka increase or regen, I also have a resto + majicka regen enchant but the max % for that is only 5% faster resto and 10% majicka so it dont seem worth it but I noticed the potion like that is one of the most expensive so I don't know, I think those potions get expensive just for the number ofdidifferent effects not necessarily its true value.
I made one that cost 850 that was drain majicka by 100%-health increase by 50 pts-haggling increase by 25% LOL i guess with that one i can fight him and haggle with him at the same time .Thanks for your time