I have done this as well. I keep my 'kits' in a scrapbooking organizer. The supplies fit (I don't include backing and binding because I always change my mind at the last minuet)and the blocks fit as well. Here is the organizer I use:
http://www.joann.com/joann/catalog/p...ODID=xprd74098
I am going to look into the laser cutting service as well.