When you are painting your ceiling, paint from Lowe's will do. But serious painters head to Walnut Hill Paint for its variety and high level of service. Great for color-matching while you wait, the store carries ordinary brands such as Benjamin Moore but also stocks brands you may see in Metropolitan Home, including Pratt & Lambert, Martin Senour, Williamsburg Historical, C-2 Ultra Premium and metallics. They're also a great source for Cabot and Olympic stains, Dura Seal and Cook's Oil Glazing. They can also help you figure out the products and tools you need and often give hands-on training in faux finishes. Tell people your decorator did it.