I found a really great resource on form design that I thought may of use to interest to the EE Community. The form design guidelines crib sheet was produced by UX company CX Partners as a result of many hours of user testing:
http://www.cxpartners.co.uk/cxinsights/form_design_guidelines_crib_sheet_free.htm
Its also released under a Creative Common Licence so you can brand it as your own and spread the word about great form design!