I bought an extended warranty on my Dell, Dimension 510 with Windows XP, in February, 2006, The past few months I have been hearing a, 'Grinding" noise coming from the tower. Dell sent someone to replace the hard drive. A week later, I started hearing a tapping noise. I called Dell & was told that they are going to replace my computer. The new computer is a refubished, "Inspiron" D 530, with Windows 7. I researched that computer & Dell no longer makes it. Additionally, their tech support advised me that the refurbished... read full review »