Sounds from Wolfenstein 3D For Mac
Incomplete rip, but all the weapons and some other nice sounds. You may have heard a bunch of these in Wolfendoom, but these are at a higher bitrate.
Q2TEST Heads

Unlike the full version of Quake 2, the public beta release had a head on the hud next to your health, which acted just like in the original Quake. These will need some touching up before using, due to the resolution, but they're there. Which is nice.
Sounds from MGS3
INCREDIBLY incomplete (there's thousands of sounds, hundreds of which are repeats, and I have to manually set the play speed on each one!) but these are ripped directly from the game files, so there's no background noise.
Sounds from Super Smash Bros. Melee
Again, ripped directly from the game disc and with a few little glitches from the converter I used fixed. Filenames are pretty disorganised, but whacha gonna do? This is all the sounds that aren't in some why tied to a character.
Sounds from Goldeneye 64
Most of the sounds you'd be interested in. I still need to do the doors though. Ripped directly from the ROM data.
Hope these help in some way!