So let's say you finally decided to let that strawberry iMac go into the great off position in the sky (probably because you bought an iPad, right?). You're not going to unceremoniously dump that thing in the garbage, are you? You may not know it, but there's a healthy modder community for Macs, plus an avid collection and re-purposing community. We've written about clever uses for old Macs before, but here are two takes on what to do with old Macs. One is for Macs that still have some computational life in them, and the other is more geared to Macs who can't power on, but their cases are still useful.