Not AFAIK. But search Qwest on the forums to see what you get. Also google qwest and blocking. I came across these links for interest http://hi2005.wordpress.com/2006/04/...and-unmanaged/

http://www.dslreports.com/shownews/73147

See if you can use Qwest on a trial basis to try them out & see if they do block or shape.