Finding winter tires for a performance tire size like 205 55 16 can be difficult. There's not a lot of options and your local tire supply probably doesn't cary them in stock so order them ahead of time to give the shop time to bring them in. And remember that it's always recommended to change all four tires to winter tires. So what are your options?
On the high side of the price range you have the Continental ContiWinterContact performance 205 55 16 winter tire. Designed for sporty European coupes that want to maintain a little bit of performance during the winter months these tires are also of the run flat variety. They are capable of traveling 50 miles at 50 mph after a puncture has caused complete pressure loss. At 5 each you should weigh the cost against your desire for performance and the piece of mind a run flat tire can deliver.
In the medium price range is the Dunlop SP Winter Sport. They were designed for sport cars and coupes that are equipped with low profile tires on a large alloy wheel. At around 0 a pop you get a quality tire to pull you around in those winter months. The Dunlop SP Winter Sport also comes in a run flat option that will put you back in the 0 price range with Continentals mentioned above.
Looking for a cheap winter tire that still provides quality and performance? That would be the Pirelli Winter 190 Snowcontrol. Coming in under each these tires are a nice budget option that you can rest easy at night with. Designed for coupes and sedans these tires provide a special snow wear indicator bar (in addition to the standard tire tread wear bar) to help you determine when the snow performance will be diminished. They do this because the snow performance wears out before the tire is actually worn out itself.
If you are looking for a studdable snow tire, check out the Pirelli Winter Carving Edge at each. They were designed for sports cars and coups along with SUVs. They are specially designed to accept studs during packed snow situations but they run just fine without them.