I also like white on white. Otherwise the fabric seems too sheer or see-through. But I hand pick the fabric, either yardage or FQs -- although I have used a few layer cakes. E.g. the Herringbone Quilt. (See my albums.) I bought one JR that was way too thin. I used only part of it on a baby quilt; the rest still is in my stash. Also, it ended up being wider than 2.5", so that created a problem.

I mostly use white for either sashings or borders, not in the blocks themselves. I have used Kona Snow which is more of a light cream color. I really like the Grunge fabrics. They're a bit thicker & have subdued colors in them so they are not real white.

In the end, it's really quilter's choice.