At 41, Baal runs are really the only place to still get decent experience in normal. If Baal runs aren't very efficient or fun for your character, it may just be best to press on into nightmare. Turn down the player setting if you need to until you get stronger.
How many pieces of IK do you need to get the mana leech? Or is it always on the gloves? I forget. :X
How did you miss the most important part of your equipment, which is the weapon?:wink2:
BTW, why do you want mana regen from your helm? With the low mana pool of a barbarian, mana regen can't help much. What you need is loads of mana leech. You can't play a WW barbarian without at least 7-10% mana leech.
My barb is level 60 now, I've been doing players 8 shenk and eldritch
I leveled about once each time from 48 to 56 or so, then started leveling every 2-3 runs, and I could do about 1 run per 2 minutes >.<