Since I was on vacation and out today, I stopped by my 2 favorite thrifts. And lucky I did! One was having a 50% sale in the area they keep games. And they had recently put out a bunch of new stuff. At this store, I picked up (mostly to add to my trade list, at least the NES stuff):

NES $1.50 EACH
Cybernoids
MC Kids
Taboo
Castlevania II
Dr. Mario
Excitebike
Adventure Island
Hogan's Alley
Track and Field II
Super Mario 2
Sesame Street ABC & 123

SNES $2.50 EACH
Jurassic Park 2
Tetris Attack
Jungle Book
The Duel: Test Drive II
Tin Star

PS1 $1.50 EACH
Spyro NOT FOR SALE version
Coolboarders 3
Strikers 1945

PS1 $2.50
Mega Man Legends

PS1 FREE (because it was in the case with another game and they just gave it to me)
Aladdin Nasira's Revenge

And the best one for PS1, for only $1.50...
BUST A GROOVE!

Sega CD $1.50
Double Switch

Sega Game Gear $1.50
Blackjack CIB

At the second store...

Super Mario World 2 Yoshi's Island VHS tape NOT FOR RESALE version
99 cents

A Sega Genesis 32-Bit with a Super Magic Drive attached for only $3.99

And a Sega Saturn which I believe may be modded, since there was a game CD in it for $6.99