I have been writing a series of blog posts on installing a wort pump in a toolbox over at Lug Wrench Brewing. The build is based on a BYO article, but has been expanded to include an extra electrical outlet, which allows it to also function as an extension cord. I thought some people on this forum might like to know about the post series. You can check it out at:
http://www.lugwrenchbrewing.com/2010/04/wort-pump-in-toolbox-3-build-steps.html
http://www.lugwrenchbrewing.com/2010/04/wort-pump-in-toolbox-3-build-steps.html