Yeah, I looked at eBay and there are some to be found. I was about to buy one, then I saw the adaptor from Nashbar and that made me think about changing.
I'm kind of torn between the two. I like the idea of keeping a quill because that is what was on it. And I like the idea of threadless because of the different angle stems that can be found in different lengths.
Thanks for the help everyone. There seems to be no real pro or con with either, just a matter of choice.