I was wondering whether leaving this setting on or turning it off was more accurate to the original console's look.
YouTube is no help–it's all PCSX2 and "HD remake" videos!
[EDIT] For those unaware, here are some screenshots illustrating what I mean.
Texture Filtering ON (the PCSX2 default):
http://i.imgur.com/8R8mPSv.jpg
Texture Filtering OFF:
http://i.imgur.com/fUKQK07.jpg
YouTube is no help–it's all PCSX2 and "HD remake" videos!

[EDIT] For those unaware, here are some screenshots illustrating what I mean.
Texture Filtering ON (the PCSX2 default):
http://i.imgur.com/8R8mPSv.jpg
Texture Filtering OFF:
http://i.imgur.com/fUKQK07.jpg