You don't say whether this will be a washable quilt or not, but before you decide to use packaged printable fabric sheets, maybe you should look at some of the other methods of image transfer used by quilters, both for art quilts and traditional quilts.
Quilting Arts has a downloadable ebook on the subject
http://www.quiltingdaily.com/media/p/18998.aspx
and there are lots of other references if you Google
image transfer techniques
As a general rule, black inks (pigment based - not water soluble) last much longer than color inks (dye based - water soluble).