What speakers have you mistakenly let go and then later repurchased?

The first were AR3a's.  I've now had three separate pairs!  I have owned 2 pairs of JBL L100's.  I wish I'd have kept Totem Sttaf and Platinum Audio Solo's.   I also owned 2 pairs of Solo's.   Regret selling B&W 804 Matrix.  I once put all my audio possessions into a spreadsheet and came out with the same conclusion: 

I'm sick :)