Your reference site using liteBlack template could just as well be achieved with the template author's liteGrey template (also free from their site). The modifications are relatively minor, largely some background image colors altered (of course some custom images for the specific business, which you would have to customize for your shop no matter what) and a categories sidebox mod like Categories Dressing installed. There are some customized header navigation bars, combining commonly-available elements; the "Home | New Products | Specials | ..." bar that highlights the current page link could be done with the
Ezpages Improved Menus mod.