As a matter of fact, I am at this point unfamiliar with any of these tools you mentioned above so your impression was correct. I'm pretty green in this field (other than the fact I've been bashing at design of various iPad's apps for quite some time now).

If you are in a great hurry, then I don't think it's worth wasting your time. We could always arrange it so that you keep working your designs, but give me concrete goals and a deadline. Should I succeed, great, if not, you have still your own work to rely on.