I'm thinking of selling my current rig in order to get money for another one. I need advice on how much I should put this one up for since I really do not have a lot of knowledge in this area. The computer is a Gateway GT5694. I have upgraded its RAM from 4gbs to 8gbs. Its video card is an AMD HD 7770. Eerything else is stock. In addition, I have a Logitech G15 keyboard that is fully functional that I would like to sell. How much do you think I can get out of all of this?