IDE to USB hard drive cases and OS support?

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http://ubuntuforums.org – I was looking for something cheap on Ebay and found this http://cgi.ebay.com/ws/eBayISAPI.dll...#ht_3460wt_915 I emailed the seller cause need to know if will work with a USA 120 volt plug and if has windows 7 support. I assume this has Linux support? If you look at similar items from others, seller will say will provide power plug depending on your location, so it makes me think a standard PC power cord will work. Anyone know? (Hardware)