2013 MBA vs. 2012 Non-retina MBP

I'm looking into purchasing a new mac and I was wondering what would be the best value for my money between this years Macbook Air and last years Macbook Pro (without the Retina Display). There isn't that big of a price difference between the two so I just want what will be best for me. I suppose I should tell you that I am a student and I do a lot of typing on my laptop. This means that i'll probably want more storage & I also do some gaming on my laptop .. Let me know what would be the best for my situation. thanks!

Oh and I'm also talking about both of the 13 inch models.