Neutral Sofa

Even though I'm many months from moving to my own apartment, I can't help but look at the different sofas I could buy to fill my imaginary living room.  I'm thinking a neutral sofa, with good bones, that I can keep for as long as possible.  Any suggestions?

1. Vaughn Apartment Sofa - Crate & Barrel
2. Giselle Sofa - Boston Interiors
3. Camden 80" Sofa - Crate & Barrel

(They're opening a new Crate & Barrel in Murray soon...)