Heres what my sorc has:

Life: About 1200 with hp charms/lit
Mana: 1300

Put minimal points into str, 10-15 in dex
The rest even out in energy/vit
Spells:
Frost Orb: Max
Cold mast: 1
Warmth: 1
Lit mas: Max
Nova: Max
Energy Shield: 12-ish
The rest i placed into chilling (or whatever its called) armor