If you can afford to have 2 sets of tires, snow tires are definitely the way to go. With snow tires and Quattro, I've never gotten stuck and never have to bother with chains.
16 Gnu Swallow Tail Carver . 16 NS West . 15 NS Snowtrooper BIA
16 Burton Genesis X . 15 Now Drive
16 Flow Talon . 14 Flow Hylite