I have 'Pandemic' and 'Pandemic: on the brink', both first edition:
I am selling them together for 45 CAD. Both games are in great condition and a lot of fun when played together, please see the reviews below:
http://boardgamegeek.com/boardgame/30549/pandemic
http://boardgamegeek.com/boardgameexpansion/40849/pandemic-on-the-brink
Thank you for your interest.