Okay, so I may be off here because you're in an ASP environment, but I use http://www.form-maker.com/. It is a PHP/MySQL environment, but it's great for for mangement, response emails, and even a confirmation page.

But I think you won't be able to tie this to your current environment. If you can run PHP and MySQL on their site, it's a great program.

I currently use it on 4 of our domains. You can see the form in action at www.promarktech.com if you'd like to see how we use it. Mainly for lead generation.

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