http://www.amazon.com/Dritz-Quilting.../dp/B001UAJ7C6
I own everything and 99 percent of the time I use the product above. I usually use the white color and occasionally blue or purple.
If I need a tiny line I use-
http://www.amazon.com/Porter-Mechani.../dp/B001UAKL4Y
buy the grey lead also and you are set. This line is very thin!
Both of these products will come off with vacuuming, over time and handling the quilt, especially the white.
I hate the pounce and markers.