Dq_Helpdesk
Dimensionquest is burke's development domain, formerly download site for dq helpdesk.
http://www.dimensionquest.net/
PaypalCart
Making the web wicked awesome since 1996
http://www.natewelch.com/index.php?module=sections&req=viewarticle&artid=3
PnCommerce
Open source php content management system : support : forum
http://www.pncommerce.de/
PncPayPal
Postnuke design and custom work
http://dev.pnconcept.com/downloads-req-viewdownloaddetails-lid-77.html