The job is as follows.
1. Using existing shop by brands module http://menshop.biz/brands that got letters box and list of brands create the following.
2. http://www.perfumania.com/shop/facet-brand-letter_X/ functionality, including box that comes with when u click on the product. In product description replace 2 tabs with one using data fields provided to you. (They come as attributes from data feed). On the left replace 1 box with subscribe to coupon /mailing list box.
3. Using colors and layout of http://www.fragrancenet.com/a-scent-by-issey-miyake-perfume/issey-miyake/womens-fragrances/wf/en_US/20914 to match our site layout.
4. Create pop up join coupon list box.
You can widgets for blocks this way its easier to replace, update them.
Idea overall is to match functionality of perfumania with color scheme of site and fragrancenet via CSS or something similar.
P.S Suggestions how to do this job better are appreciated :) Detailed instructions can be provided.