[~The Jester~]

First of all, congrats on gettin her home! How was the Motel stay?!?!?!?! hehehehehehe

Secondly, Worst case scenario, it's not the important (read expensive) things, ie engine, trans. So we have to look at the ass end. If it was the diff or a bearing it'd do it all the time to a varying degree. My guess: Sway bar links and/or bushings, or control arm bushings. Get under there, take a peek and let us know bro.