I bought the blender just over a year ago.  We use it daily, mostly for fruit smoothies.  The original blender jar stripped out and separated from the bottom.  What a mess that made when it blew out in the middle of a blend.  I was disappointed how soon this happened.  However, I'm glad to get the replacement jar and keep using this awesome blender.  I would like to purchase the smaller jar for nut butters and smaller blends, but they are pretty expensive!