How about split the Square-Enix forums into three, Old School (1-VI), New School (VII-XII), Misc. (Non-standard FFs, other Squeenix series, etc.)

Old School*
FFI
FFII
FFIII
FFIV
FFV
FFVI

New School*
Final Fantasy VII
FFVII - Dirge of Cerberus
FFVII - Advent Children
FFVIII
FFIX
FFX
FFX-2
FFXI
FFXII

Miscellaneous*
General FF
FFT
FFTA
FFCC
VGM/TSW
CT/CC
KH
General S-E

* Subject to change.

Just a thought.