That would require managing way too many stats. :P
My hero, being a warrior, is doing mainly strength and agility, some constitution, and survival very rarely.
Deathknight gets a lot of agility, just enough strength to use any bows, and survival. I haven't increased his constitution, but i gave him the Holy Book in the first act.
For skills, i gave the hero two handed specialties, mainly accuracy, critical hits, and death blow, since i find those more useful then increasing the damage skill. Also gave him the Sharpen skill. Had no idea how useful that would be. :P
Deathknight gets bow specialties, lots of reload time and crit hits. I also gave him Detect Traps, so i can tell when to send my red shirt-- i mean summoned doll in to "defuse" them. :X I also intend to give him Convert Arrows.