RChu1982: I've played Bishops before, and if you want a "perfect" Bishop, they take a long time to level, and you have to make a lot of early sacrifices, saving almost all spell picks.
In more recent playthroughs, I've taken to not allowing the saving of spell picks for higher level spells than would be available at the level they're earned, and it makes them more interesting and fun to use early on, while still getting most of the important high level spells (as not all of them are equally important, and some of them aren't that good).
For level 6 spells, the only spells I've found to be really good are Resurrect and Quicksand; Might to Magic is nice but by no means necessary, and the other spells are just not that good. (Why bother with a spell that can cause fear when a lower level spell can paralyze, which is better because it doesn't make enemies run away, plus I believe nothing is outright immune to it?) Of course, I also get Banish from a spell book.
For level 7 spells, there's a lot of redundancy, so all you really need is:
* Restoration
* An instant death spell that hits all enemies (Asphyxiate or Death Wish)
* A spell that hits all enemies (Earthquake or Mind Flay; Rapax resist Nuclear Blast and Falling Stars is worse than Earthquake)
* At higher levels, Death Cloud, but that spell is more dependent on power level (as it affects both duration and success rate), and I have Toxic Cloud to use until then if I want a good cloud spell to use
That leaves 3 spell picks to use by level 24, which from my understanding is the typical endgame level.
If you use spellbooks to learn spells whenever possible, and you follow these rules, I note that pure casters run out of spells to learn at level 20, as there's only 4 6th level spells and 3 7th level spells for each spellbook. (Note that this counts Banish, which leads the level 17 spell book to be "wasted", and that some 6th level spells (Banish and Resurrction, and I think Turncoat) are shared between spellbooks.
RChu1982: Hybrids are nice, but I find that it's difficult to focus on one thing without harming another. In terms of stats especially. I feel like they need all 7 if they want to be good at melee, ranged, and magic.
For hybrids, often I tend to focus on spells that can be used outside of combat, like Enchanted Blade or Magic Screen; some healing is also nice. The only major stretch that I'd consider worthwhile is to get Resurrection on Valkyries, but XP leveling slows down enough that you have extra chances to get that spell (and Restoration later, if you want), and it's handy to have Resurrection on a character who can cheat death (particularly if you want to take that shortcut down from Trynton (but save first)).
By the way, does anyone know the exact rules that determine whether Cheat Death triggers?
RChu1982: No, it's an all-human party(we fit right in in Arnika). It's good for "theme". Not to mention, humans get the most TOTAL attribute points, if you can get past the fact that they need only a little more time to reach their expert skills. By level 30, all 6 of my humans will have 4 expert skills, and the other 3 stats will be at 45 or better.
I've found that I often prefer not focusing too much on late-game, so I'd often rather get expert skills sooner than have better stats in the long run. I note that, at high levels, HP tends not to be an issue, so having better Vitality in the long run (for a human as compared to an elf) isn't that much of an advantage.
I note that Elves can use the Fey Ring, if it decides to show up, while humans can't. (Fey Ring boosts Speed, so the character acts sooner, and Stealth, making the character less targeted (handy for a low HP character I'd rather not get hit); Stamina Drain can be countered with a Robe of Rejuvenation, and Bishops don't need as much Stamina regen as users of heavy weapons (Tripleshot Crossbow and Giant Sword (another nice item that Humans can't equip)) or instruments/gadgets.
Edit: On the other hand, at least all-human parties in Wizardry 8 are not as annoying to play as all-human parties in SaGa 2. (Slow stat growth + cost of replacing weapons (and the only ways around that until endgame involve a non-human) make it a party I would not recommend in that particular game.)