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
Apple iMac 27'' 1TB HD i5-4570 QC 3.2GHz 8GB RAM NVIDIA GeForce GT 755M A1419 | eBay
GeForce GT 755M | Description | GeForce
Gt 730 4gb Power Consumption, Video Card Geforce Gt 755m, gt 740 4gb - thirstymag.com