Not sure if it's really a deal for all, but Best Buy has used Pokemon Black, White, Soul Silver, and Heart Gold for $20 each. These are normally $30-$35 used elsewhere. I know this goes great with that new Pikachu 3DS XL and great for the up coming X and Y!
Pokemon Black $19.99
Pokemon White $19.99
Pokemon Heart Gold $19.99
Pokemon Soul Silver $19.99
Pokemon Black $19.99
Pokemon White $19.99
Pokemon Heart Gold $19.99
Pokemon Soul Silver $19.99