(Undated)  --  Seattle is up a notch on this year's annual "U.S. News & World Report" list of best cities in which to live.  Seattle comes in sixth, up from seventh last year.  Austin, Texas, is at the top, followed by Denver; San Jose; Washington, DC; and Fayetteville, Arkansas.  Portland, Oregon, is at number 32, six notches below Portland, Maine, at number 26.