Congratulations, the product looks very polished and powerful.

I just wanted to point out about the mythical "5000 dollars is a rounding error" companies:

I work for one, but they won't buy your product at U$ 75 because you're not selling it to the people with purchasing power, you're getting sales from internal champions.

I think you should read Jason Cohen's articles on his A Smart Bear blog, your company sounds a lot like his - I'm trying to find a particularly relevant post where he talks about an internal champion for your product, but I can't find it, I did find

http://blog.asmartbear.com/pricing-business-model.html

Also, Joel Spolsky's famous article on pricing:

http://www.joelonsoftware.com/articles/CamelsandRubberDuckie...