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#11
Looking at the bottom of your case, I don't see anything that would hinder you from using the Machined Aluminum Case Feet. There are the two PSU risers that will give you some clearance. You can probably invert the bolt installation for more clearance. With the PSU riser clearance, it's definitely do-able.
Computer Case Mods-Install "Black Diamond" Computer Case Feet
http://www.mnpctech.com/CaseFeet.html