Sunsets Wayzata, the longtime Lake Minnetonka restaurant that was a fixture among Twin Cities movers and shakers in the west metro, will close this weekend after a sale to restaurateur Dean Vlahos, who's planning a new concept there. City Pages reports that Sunset's final dinner will be March 2. Owners Brian Prose and Paul Swenson sold the property to Vlahos, who's the founder of Champps Americana and Redstone American Grill. He apparently has something planned, though exactly what is still up…