I want to start over with my MBA 11" (late 2010). I want to leave off the things I don't use--iDVD, iWeb, garage band, and anything else I can do without to free up as much space as possible. I have the flash drive that came with it but I'm not sure how to go about this. Also, it came with Snow Leopard and I have Lion now. I assume once I reinstall, I can download Lion again w/o paying again? Any advice would be great. Thanks!