I bought this succulent last night after visiting Home Depot. I had seen this particular succulent in the Cacti & Succulent display all summer long and never bought it. But last night it looked so sad sitting there among the carnage of dead or dying C&S, that I just had to buy it. I have no idea what it is other than it is some kind of Crassula if I am not mistaken. I really like the faint coloring at the edge of the leaves and the "spotted" leaves make it pretty interesting too.
This succulent turns out to be an Adromischus which is native to South Africa.