>I've only participated in UT for three months or so and I already have had several occasions where I wanted to refind some sage advice offered to me in one of the message threads which I originated (perhaps several weeks prior).
>
>Is this a common enough experience among other users out there to warrant the addition of a search messages threads initiated by me search set?

As far as I know you can't search your own threads but you can click on the hyperlink on your name and browse them all.