Dear Mr. Schreiber,
I am experienced Wordpress developer, and can easily complete this task for a very accessible price.
I suggest wordpress blog platform with page lines framework and jigoshop. very clean and fresh look, drag&drop design and possibility to easily change the look in the future. Please see demo of the system i am offering, it s really amazing: [login to view URL]
Looking forward to start working for you,
greetings from Spain