Bookshelf speakers or Gallos (or something else) with subwoofer for PC setup


I'm trying to set up a small system with my imac and a chipamp (Topping TP30) I inherited. I can get smaller bookshelf speakers for the bookcase that faces me (over the desk) or something like Gallo micros and put a subwoofer under the desk. I know there are a hundred answers for the right way to do this, but any suggestions would be very helpful. Or should I skip the amp and go with powered speakers. Budget $500-$1000, preferably on the lower side of that, but will go higher for quality. Happy to buy used if I can find it. I listen to classical, rock, jazz, and most everything else. I'm in an apartment so it's never going to get that loud. 
Thanks.
sgreenberg