I took my aluminum iMac to an Apple Store today and had it diagnosed for a few hours - apparently the hard drive is physically fried and needs to be replaced. Sadly I'm a mere two months past warranty and didn't get Applecare - it seems like it was a lightning strike/surge that caused this. How much as Apple or third parties charged typically for this kind of replacement? It's a 320GB standard SATA drive, I believe, my iMac is from late '07/early '08. I'm going to call around local places today, but I'm wondering what the going rates are. Would be very helpful to know if I'm getting ripped off and what Apple charges. I did ask the tech, but he immediately referred me to an off-site third party place 30 minutes away, offering a "special discount", and the whole thing was a little sketchy. He did claim the cost of sending it to Apple for repair would be $375.