A new article reveals information attesting to what we have practiced for many years. Keywords in URLs do matter. The article is long'ish' and focuses on particular highly competitive industries. So read the end of the article if you mind is numbed by the bulk of the article :)
And before you click the link to the article below, notice the structure of the URL - This is the format we use for our URLs in SIteNow. The ability to have 'long-tail' URLs that describe what the page is about is valuable for SEO efforts. A descriptive URL also helps users understand what they are clicking.
You might also read our previous post about using long-tail URLs for better search engine visibility .