Sectional! It looks alot more cohesive, and cozy.

I would never think of books as cluttering, I agree with jrochest 'I'd no more throw away books than I'd throw away art.' (though I would give away or donate books that I never liked) ...

I would definitely check rooms to go if they have it in your area. My boyfriend and I got this fabulous green couch with the same lines that you're looking after for only 399. (link