Too often, the Midwestern shopper complains, "But I can't find that here!" And although online shopping sates our needs for not-so-local clothes or shoes, furniture's a different beast. Who wants to buy a sofa over the phone or by clicking a mouse, only to find, when it arrives on the doorstep, that it's too hard? Or too soft? High Cotton, the Crossroads' answer to Pottery Barn, stocks Mitchell Gold + Bob Williams furniture that strikes the fine balance between modern and keep-it-forever. In this renovated warehouse, soon to become an official showroom for the furniture line, shapely sofas mingle with the sort of four-poster bed we wish we'd inherited from some rela tive. And the Christopher Elbow chocolate outpost in the back of the store? Well, that just sweetens the deal.