Quiltgranny

For tonal whites, I've always had good luck with Moda Muslin Mates.

Here are some of the best prices I've seen tonight:

6.79 per yard on Sale

http://www.honeyforkfabrics.com/cgi-...id=1#ma9921_14

$7.50 per yard

http://www.stitchingdepot.com/muslin-mates-cat.html

$7.98 per yard

http://www.elegantstitches.com/Moda%...in%20Mates.htm

Of course, there's alway ebay and etsy, too.

Hope this helps,