I've built one of these on vero and it's a mixture of complete chaos and twisted genius. Useful? Possibly not. Lots of fun though.
http://www.diystompboxes.com/smfforum/index.php?topic=70747.0 (http://www.diystompboxes.com/smfforum/index.php?topic=70747.0)
http://www.diystompboxes.com/smfforum/index.php?topic=66861.40 (http://www.diystompboxes.com/smfforum/index.php?topic=66861.40)
Would probably help to have the trim pot for setup even though I didn't use it on mine I probably should have...