I own a Gateway MT6821 and I would love to upgrade it with SSD; icore 3; 16GB RAM - if possible. Before going out to buy a custom build, can you tell me if the existing chassis (MT6821) could support all the new upgrades? Please advise. Thank you. For specs about the MT6821 go to: (http/www.cnet.com/products/gateway-mt6821-core-2-duo-1-6ghz-2gb-ram-160gb-hdd-vista-home-premium/specs/)