Yup I use Bonnie's method, I have a stack of 2 inch squares that I piece as I sew other projects, I eventually make then 3 blocks wide, then start piecing the rows together, all while working on something else. I also try to piece two blocks at a time for the project I am actually working on so I always have something from the quilt I am doing under the needle, but when I can't do that I use the 2 inch blocks. I love it!!
Cheers!
Rachel