i am obsessed with collecting best buy barbie clothes! i love the simplicity of these clothes, and the easy on/off (no Velcro!).  my favorite are the 70's/80's style jumpsuits.... i also love very early barbie clothes from  the 60's, is such a classic style (it makes me think of "mad men").  occasionally i also run across some mod pieces that i also want to collect, like i really want a "twinkle…