THE MARGARATOR: There aren't a lot of appliances that also serve as conversation pieces. Let us add, appliances that whip up icy and tasty margaritas. We can just imagine one of these babies sitting next to the grill, inspiring all sorts of glances and comments from various party goers. When's your first barbecue of summer 2010? COLD DRINKS IN A FLASH: We found the Margarator at Nostalgia Electrics; find a store near you that sells it.