> You should let prospects enter their email and get some fake invoices sent along to see how it looks. Sounds like a good incentive for me to give you my email address.

And that's why we love HN. I suspect they are working on it right now:-)

I would be concerned about the customer record confidentiality issue. Here in Europe we could only consider working with you if you were signed up to the EU Safe Harbor Act. Its pretty minimal for you - and makes my life easier as I can actually not break UK law.