I do the same thing. They are on my bucket list, though. I'm trying not to buy anything more unless it knocks my socks off.
I think it has something to do with all of that right brain left brain stuff. All of these ideas are in our heads waiting to come out. It's that whole creativity thing. We get bored easily, too. Do you think that it's ADD? I don't know. What I do know is that I love to quilt.