■Under $75: Antec 300, Corsair 200R, CM 912, Rosewill CHALLENGER or LIAN LI PC-K65 would be my recommendation
■Between $75 to $100: Corsair 350D (MATX case), Corsair 300R, NZXT Phantom 410, Fractal Design Define R4 or Corsair 400R
I would look at the NZXT source 210, a very good case for someone on a budget, i've used it in 2 builds and i've never run into issues or airflow problems
■Under $75: Antec 300, Corsair 200R, CM 912, Rosewill CHALLENGER or LIAN LI PC-K65 would be my recommendation
■Between $75 to $100: Corsair 350D (MATX case), Corsair 300R, NZXT Phantom 410, Fractal Design Define R4 or Corsair 400R