Then I stopped...
I woke up this morning and said to myself, "Hang on a second. You've already committed yourself to a zombie novel." See, this is the problem I've had in the past. I get distracted by a new and fresh idea, and I want to go knock up my imagination before it brings anther story to term. A friend of mine in college even told me that I was all about the instant gratification, and that ends up working against me, stalling me from pushing on towards a finished product.
So Ain't No Grave is still on, and the alien story will have to wait until I reach my October deadline. That's not necessarily a bad thing either. It gives the alien story time to congeal in my mind so that when I get to writing it later this year, I won't be fumbling around with it.
Nice try, E.T., but your glowing middle finger didn't work this time.