Not an IKEAhack, but even better - a DWRhack! Over at Not Martha, they whipped up this really handy way to get shoes off the floor. I'm not saying I'd put in in the main hall, but in a closet or a mudroom? Sure!
Some other shoe storage solutions:
Surprisingly elegant, courtesy of akainteriordesign:
Playful and modern from Minor Details:
Fully integrated from Apartment Therapy:
And, something entirely simple from Martha herself that I plan to do at home this winter: