hi there im thinking of bying a second hardrive and am thinking of going with sata,the only problem is i can only afford to go with a 7200rpm sata drive would it be worth getting a 7200 sata or would there not realy be any difference in speed from an ide. the reason im asking this is because i can get a 200gb ide drive for half of what i can get 10krpm 36 gb sata for