Here is a party set up I would like to test out,but I doubt I will get the chance.
Battlemage (inquisitor preset) - Bull Horns, Adrenaline, Chicken Claw, Oportunist,Human,+1 lucky charm +2 int;+1 wits and fin
Arcane Archer (ranger preset) - Restoration, Hail Strike,Marksman Fang, the cool talent that makes basic attacks from bows deal elemental damage while on a surface, elf;+1 loremaster, +2 int, +1 wits
Arcane Trickster (fighter/cleric preset) Bull Horns, Mosquito Swarm, Chameleon Cloak,Pet Pall/Oportunist, Lizzard +2 str,+1 wits, +1 thivery
Shaman (with enchanter preset go +2 int, with battlemage preset go +1 fin +1 int) Fortify, Frost Armor, Fossil Strike, Mnemonic; +1 telekinesis, +1 con,dwarf
I made the battlemage human because of his bonus to wits and critical strike chance. The arcane archer is an elf because you get free utility skills from eating certain corpses. The arcane trickster is a lizzard because the free +1 in persuasion makes lizzards good thieves. I made the shaman a dwarf instead of a human because it makes your party more flexible, you can swap out the battlemage for the shaman on the front line.