The specs are not complete on this job.   I am wanting to find someone who is comfortable with what we want to help us in the definition of the requirements as well as the build.  

Review this application.  http://www.bluecotton.com/studio.html?target=175&garColor=1

It is using a vendor api for product that will be easy to establish.  Pricing and basic configuration will need to be managed from an administrative area.

I also welcome input on cost.