What's the best deal around for Bioshock Infinite? Used to be so cheap, now $$$.

[Mr.Diggler]

I didn't realize I had to enter those codes from the GeForce cards to get the game keys and now it is too late, so I lost two Bioshock Infinite keys (and two Tomb Raider keys, but I don't care as much about those).

Any good deals on the game around now? Spending $20+ on a game I should have had for free just adds insult to my stupidity.