I did it! With lots of help from my friends who work at an apple repair store... perhaps that is cheating?

I too am having trouble now with the disk utility recognizing the newly installed hard drive. Did I miss something? I followed the instructions perfectly. And my repair friends helped me with the "why won't this fit back together you tiny unibody you!"

Any suggestions for how to get the disk utility to recognize my drive I just worked so hard to put in there would be greatly appreciated!