don't know if these are still considered rare but seems you can get all 3 for under $20 shippedBleemcast blow-out sale!
Bleemcast is a program that enables you to play specified PSX games on your DC in high resolution. The result is astonishing, the games look better, sharper, smoother on the DC than on the PSX. Get rid of the pixelation now! There are 3 different Bleemcasts available: Gran Turismo 2, Metal Gear Solid, and Tekken 3. Each one of them retails for only US$ 5, while 2 of them are priced US$ 8.50 (save $1.50), and if you take all 3 of them, it's only US$ 12 (you save $3)!
http://www.lan-kwei.com/dcE/