Well I like the comic board idea, amazon has them! Right now I have all the material folded and stacked on a shelf and it is no fun digging thru it. I had sorted mine as following
Christmas material together and to the left of my closet
Baby material, one stack, then minkee has it owns shelve along with fleece.
Flannel one stack for use for baby
Have my fat quarters stacked in baskets
I have a lot of material & all is marked with the fabric -swatch tags
my scrappies go into a plastic tub for "scrappies" quilt