2007 UPDATE: In the two years since I originally made this post, I’ve become a regular customer at EPO, Electronic Parts Outlet, here in Houston. You can find their website at http://www.epohouston.com.
2009 UPDATE: Houston now has its own Goodwill Computerworks store, but I’m not really impressed with it at all compared to the variety of bits, pieces, and parts that were available at the Austin location.
Orignal post follows:
The only bad thing about Houston is the complete and total lack of electronics/computer-parts surplus stores (at least that I can find). None of my coworkers know of any decent ones either.