I was asking the same question on another forum, and was given a link to
Cheaper Than Dirt. (Search using the term "poncho" when you get there to see others)
I have not ordered one yet, but they claim to be "Mil-Spec", seem to have the features, come with a stuff sack, have a number of color choices, and run about half the price you'd pay for similar. Of course these ponchos are imported, but so are a heck of a lot of the other pieces of equipment I have, sooooo... <img src="/images/graemlins/blush.gif" alt="" />