Here is the updated version of the wall unit. I extended the bookcases to the floor, and put the adjustable shelves between sides that have rounded fronts. The shelves protrude beyond the sides, to provide some additional visual interest. Also, note that I've included the attachment hardware for the glass on those areas where appropriate (but the handles are not depicted).
And the original design:
P.S. Don't take the exact lines too seriously while I'm working out the form -- there are several rendering areas (esp. in the countertop).
Design/Rendering © 2002 Jenan and Son, Cabinetmakers