i am currently using an HCL desktop which has an MSI mainboard , an NVDIA GEFORCE GT 440 card 2 GB DDR2 667 MHZ Samsung RAM Card an 80 GB westron SATA hard drive.i am thinking of buying a new pc .My question is will an assembled system give efficent and long years of performance for both gaming and work or a branded system like DELL,HP or Samsung gives better performance?Any Help would be appreciated.Thanks in advance.