What keywords would you search for if you need e-commerce with Options

I have a wizard driven e-business solution that allows any business to do quotes & or order for products/service that need answers before they can give a price. It is also web service enable so portals can supply price comparision of option products in real time.

What keyword would you think a prospect for this type of product would use to search on the search engines?

You can see a news release about the product at www.psc4.biz/nr0406