RChu1982: I would say that I have created a balanced party.
The Bard and Gadgeteer can stamina-cast spells, and the four casters can mana-cast their unique spellbooks, enhanced by Powercast.
The Bard and Gadgeteer have Tripleshot Crossbows, and the four casters have Wrist Rockets.
The Bard and Gadgeteer will have *Light Swords* and *Light Shields*. The Priest has the luxury of: Diamond Eyes, The Mauler, Cat O' Nine Tails, and Vampire Chain, being the only party member with that weapon set (Mace and Flail). The Alchemist, Psionic, and Mage all have Staves of Doom ready for them, with the Alchemist being ready for it (having maxed Close Combat and Staff and Wand skills), and the Psionic and Mage training those skills.
For my current party:
* I haven't been using ranged weapons. In my experience, having to carry ammo makes encumbrance management significantly more cumbersome.
* On the other hand, 5 of my characters have Power Strike or are close to getting it. (I think one of my bishops is close, though I don't remember whether "close" means "has enough XP to learn it" or "will need to gain another level after the next level up"; I think it might be the latter. This, in turn, means that the heavy weight of gadgets isn't that much of an issue.
* 3 characters have what I would consider stamina-intensive set-ups. Hence, Rest All, which 3 of my characters can cast (2 with Power Cast), is quite useful for this party.
* Jan-ette is still alive, so getting a Light Shield is still possible. However, my AC is good enough that I don't need it, and my lowest HP character has that Stealth Cape, making her less likely to be targeted. The only character whose AC isn't exceptional is my Valkyrie, and she has enough HP that it's not a problem, plus she can cheat death (and my Bard can just use Restoration on her now if that happens).
By the way, it looks like the set-up for best Artifacts use is something like this:
* Class: Bishop (for the 25% boost) or Psionic (if you want to use stix, since Bishop can't use them). Ranger is also an option. Psionic and Ranger are chosen because both can benefit from high Senses.
* Stats: Intelligence and Senses, since they affect the rate of Artifacts growth.
* So, this character gets Eagle Eye, and hence may want to use ranged weapons when not using item charges. Ranger has the advantage here, having access to bows, while the other two classes are stuck with slings.
* Oh, and there's Power Cast, but unfortunately that doesn't help with Artifacts usage. So, maybe we should find a way to make use of this in this build? Maybe there's a way a Bishop could take advantage of Power Cast?
(Note: That last point is a bit of a joke. Last time I checked, my elf bishop in my party had 50+ Power Cast, and I believe this is without putting any points into the skill.)