i want to get a new computer case i have a dell optiplex gx 260 and it has the origanal mother board i need to no if it will fit in a atx case or atx micro or what. can anybody help me with this also i called dell and they said they didnt know what i was talking about dumn sonsofbitches the only reason they wouldnt help me is because i wasnt going to buy the case from them!!!!.