If you're not happy I'd take it back and ...get another MBPro...but now you're talking a fiscal loss. Brother, I tried to warn you and I apologize my arguments weren't more logical and compelling. However, you need a computer. Now, unless you're ready to jump ship and get a Windows-based system you're back into another MacBook Pro and at least $1,200. A lesson that costs at least $200...I'm sure you've dropped money on worse.
Now for the logical...are you tied to OSX because you've invested money in software? If you wanted to change over to a Windows system w/out losing that $200 you could look at
the Dell XPS14z.
...yet not forgetting why you changed to the air...for weight, I might suggest you get back into another MacBook Pro. You know what you're gonna get and its not a crapshoot.