I made a Marauder too.
This is where I'm at so far... http://www.pathofexile.com/passive-s...XP567vDvcy-0U=
I'm going 1her + shield. I need to start picking up some resists, though. The skeleton elementals in Act 2 are kicking my ass.
Lifesteal is trash early. It's based purely on how much damage you are doing and in the early stages you aren't doing shit.