I have a Juki TL2010Q and have recently started using the compensating foot. My seams have never been so accurate. It does give a true 1/4" seam but then I cut my pieces a tad bit larger. That way when I sew two pieces together they come out to the correct measurement. I've been thinking about buying the Juki 1/4" foot with the guide (
http://www.raichert.com/azsewingstore/p-JTLF2.htm) but haven't done so. Has anyone tried this foot? I did get an offbrand one, but the needle didn't go through the center of the hole which made getting an accurate seam a bit frustrating.