I wrote a whole post about swapping your bookcases for wall-mounted shelving. Wall-mounted shelving takes up less space, and can almost appear to blend in with the wall. Image from Stadshem, via Freshhome.
from Apartment Therapy's Annual Guide 2014 - IKEA's TRONES shoe storage cabinets can be used anywhere in the house — including grouped together in the entry, as in this setup seen on Dekorum. TRONES shoe storage cabinet, for from IKEA.