I have this little quirk. I buy stuff from iTunes because its super-quick and convenient, but I prefer getting physical CDs. So, sometimes, if I really love an album I’ve bought on iTunes, it gets re-purchased in non-DRM CD form.
In the January Sales I picked up a ‘proper’ copy of Takk by Sigur Ros, to replace my DRM’d version. Yes I know I could’ve just burnt a CD and re-imported (or many other such tricks) but its not just about the DRM. Its about the status - in the same way that only the best apps get a permanent position in my OS X dock, some albums are too important to have as just a download.
This means that occasionally, I’ve bought the same album twice. Is it just me?