I think this is a VSD problem. I am using 7 build 19. I made a form saved the files etc etc. pasted the HTML, added the files to the project. I can see the form correctly in the preview. When I upload the site to the S-Drive the form shows up about a third of the time.
Even after the form is working, if I go and tweak some other page, when I publish the site the form isn't working. It just shows a blank white rectangle. I muck about with the add files thing and publish it a few times and it will work.
Another issue I have with the form that may be a S-Drive thing is it throws a 404 after the form has been submitted. It isn't creating the thank you page. Also I am not getting the emails.
The site is http://sailor.coffeecup.com