I game on a 3.2 GHz Intel Core i5, 8GB DDR3, NVIDIA GeForce GT 755M 1024 MB Mac, planning on upgrading to the Crusher or Exterminator in PCMR Custom Builds, advice is
Refurbished: Apple Grade B Desktop Computer iMac (Late 2013) ME088LLA-PB-RCB-R Intel Core i5 4th Gen 4570 (3.20GHz) 8GB DDR3 1TB HDD Mac OS X 10.8 Mountain Lion - Newegg.com