well..my mf sorc (600+ mf us.east ladder) kills hell meph on average 1 min and 10 seconds..her gear is:
p.topaz shako, occy/dual ist baba, p.topaz upgraded eth skullders, lidless/wealth shield, 47% travs, gold wrap, 2x 30% nagels, 40% chance guards, rising sun ammy (i still can't find a tals ammy)