It was a while ago when IBM had problems & certainly before Hitachi joined. I feel the Hitachi/IBM Drives are very good and are best buy in another well respected Pc magazine. I have recently bought another Hitachi/IBM 123 GIG to add to the identical one in my PC. Interestingly the drive that did fail was the Western Digital.
This may sound very silly, but have you checked your keyboard? I had similar clicking with my HD, after reformatting and reinstalling a couple of times and still getting it, I was on the verge of getting a new HD when I noticed that one of the keyboard keys was staying depressed, it was that causing the problem (just thought I would mention it).
maxtor are cool and verry reliable too., i use a seagate barracuda u-ata, should of gone for s-ata really, but both in my mind are verry reliable and at the seagate website you can download some nifty tools. click here as can you at maxtor. click here