Just something to that sparked some cogs in my head was Arion's breakdown of saves, so I figured I'd go ahead and make a rough sketch of the places where characters focused. This is stuff only provided by equipment, not classes, etc. Although some of that line is blurred with the cheese that is the way the monk's belt is interpreted.
Rahveon
Attribute Bonuses: +6 +6 +11 +6 +6; +5 +5 +5 +5 +4 +4 +2 +2 +2 = +69
Save Bonuses: +2 +1 +1 +1ref +5 = +9/(+1)
Armor Bonuses: +1 armor (+8 abilities) +5 +1 +4 = +19
Weapon Bonuses: +6 weapon, +2 weapon, +1 hit, +1 +3 = +13
Specific Skill Bonuses: +10
Universal Skill Bonuses: +2 +1 +1 = +4
Immunities: Criticals & Sneak Attacks, death spells, death effects, energy drain and negative energy effects
Constant Powers: True seeing, Haste, Righteous Might, Reduce Person
Other: 5th level monk abilities, sustenance, adaptation, +2 +1 ability checks, teleport at will, mind blank 1/day, commune 1/day, spell turning 3/day, DR 3/evil
Sigrún
Attribute Bonuses: +4 +4 +4 +4 +4 +5; +6 +6 +6 +6 +6 +6 = +61
Save Bonuses: +5 +5 +4 = +14
Armor Bonuses: +5 armor (+4 abilities) +5 +5 = +19
Weapon Bonuses: +2 ray (+50% dmg), +1-5 weapon = +3-7
Universal Skill Bonuses:
Specific Skill Bonuses: +30 +10 = +40
Immunities: Criticals & sneak attacks, death spells, death effects, energy drain
Constant Powers: True seeing, Freedom of Movement, deathward, Hustle
Other: True Resurrection 1/month, Evasion, +275pp; 3 powers, -4pp, +2 DC?s, +3 manifester level, +2 penetration, adaptation
Pilmer
Attribute Bonuses: +5 +5 +5 +5 +5; +12 +6 +4 +6 +4 = +57
Save Bonuses: +5 +6 +3 = +14
Armor Bonuses: +8 +5 +5 +5 +4 +8 +1 = +36
Weapon Bonuses: +5 weapon +3 = +8
Specific Skill Bonuses: +30 +30 +30 +30 +30 +10 +10 +10 +10 +10 +10 +10 = +220
Universal Skill Bonuses: +3 = +3
Immunities: death spells, death effects, energy drain
Constant Powers: Death Ward, Blur, Nondetection
Other: adaptation, sustenance, monks belt, wizardry 1, wings of flying, +2 caster level, +3 ability checks, can?t be flanked, retains dex to AC, 120 ft. darkvision, sees all invisible and ethereal things, all around vision, +2 penetration, +2 DC?s
Arion
Attribute Bonuses: +5 +5 +5 +5 +5 +5; +6 +6 +6 +6 +6 = +60
Save Bonuses: +5 +5 +2 = +12
Armor Bonuses: +5 +5 +1 +8 +5 = +24
Weapon Bonuses: +5/+11 weapon +3 = +8/14
Specific Skill Bonuses: +5 +10x7 +11x7 = +152
Universal Skill Bonuses: +3 = +3
Immunities:
Constant Powers:
Other: Spring & striding + haste, throwing, +3 ability checks, regenerate ring, deflect arrows, snatch arrows, improved kuji-kiri, bardic music abilities, 25 personal pocket dimensions, 5th level monk, silent image at will, astrally travel, six +5 shuriken, +3 caster level, Akumunaga (artifacty)
Don?t know: crown of mastery, rod of disguise, orb of illusory power
Solarian
Attribute Bonuses: +5 +5 +4 +4 +4 +4; +6 +6 +6 +4 +12 +6 = +66
Save Bonuses: +1 +1 +4 = +6
Armor Bonuses: +8 +5 +1 +17monk +5 = +19/26
Weapon Bonuses: +5 weapon +1 +4 +1 +3 = +14
Specific Skill Bonuses:
Universal Skill Bonuses: +1 +4 +1 = +6
Immunities: electricity, petrification, fire, sonic, death effects/spells, energy drain, crits/sneak attacks, immune to fear
Constant Powers: Disguise self, True Seeing, Greater Heroism
Other: acid & cold resistance, bow of solars, efficient quiver, +1 ability checks, +3 caster level, +13 tmp HP,