Decorating a brand new condo can be fun. Choosing paint, window coverings, and all the little details that add personality and style can also be a long, overwhelming process. These three luxurious condos in downtown San Diego have already be given stylish makeovers by top designers.  By buying a condo that has already been customized with decorator touches, you can relax and begin making new memories right away. In addition to beautiful views, large floorpans, and great community amenities, these three San Diego condos have  unique features and designer style already …