Pretty much after the end when you master all the classes and work on getting the spells for the Necromancer class (hint, hint), how do you set you party?

Well mines is:

Bartz Level 76
Weapons: Ultima Weapon, Mutsunokami (good Critical hit ratio)
Head: (of course) Ribbon
Body: Maximillan
Accessory: Hermes Sandals (Hard hitter with speed adv.)

Lenna Level 76
Weapon: Ragnarok
Off-hand: Force Shield (Helps with Vishnu Vest ( +against Fire, Ice, and Lightning)
Head: Ribbon
Body: Vishnu Vest
Accssory: Crystal Orb (good for mag. att. and mag. def.)

Krile Level 76
Weapon: Kagenui (sometimes stops enemies)
Off-hand: Genji Shield (good for toad and paralysis prev. ( ribbon)
Head: Ribbon
Body: Genji Armor
Accessory: Angel Ring (Picks up the lack for Ribbon)

Faris Level 76
Weapon: Masamune (100% first strike, boosted crit. hit%), Muramko (good crit. hit%)
Head: Ribbon
Body: White Robe
Accessory: Angel Ring