Shadow's

Homicide Boutique

Look at whatever you want. I have various and sundry instruments of ill-intent. Don't worry, I won't gouge you or charge you an arm or a leg. I just need 'nough to feed my dog.
It ain't Soldier of Fortune but I think i have what your looking for.
Final Fantasy III Weapon guide

Chrono Trigger Weapon guide

Final Fantasy VII Weapon guide

And here is a list of each chacters most powerful weapon WITHOUT the Merit Award and not counting Illumina, Ragnarok, or Graedus:
CharacterOptimum WeaponLocation
CelesN/A
CyanSky Render
Edgar
GauNothing
Gogo
LockeWing EdgePheonix Cave
MogAura LanceKefkas Tower
RelmMagus Rod
SabinTiger FangsCave on the Veldt (WOR)
SetzerDoom DartsKefka's Tower
ShadowStunnerKefka's Tower
StragoMagus Rod
TerraExcaliburBeat Goddess in Kefka's tower
UmaroBone Club

Hey...You got a bathroom here? Uh...yeah, sure. It's in the back.
Back to the streets!
Armor Shop Back outside