Absolutely! I will narrow it down first and then check here before buying.
I just checked online, and my local store does not carry the Lastolite brand. They carry Cameron brand. I can't find much info on this mfg. only resellers, so I don't know how the quality measures up. I suppose it is possible to have a poor quality diffuser or reflector as the type of material used would be very important. Have you (or anyone) ever heard of Cameron lighting accesories? They have 19 and 42" diffuser/reflector sets. Thanks for the tip, I would probably have wanted the larger one and spent my day chasing it around.
I'm also thinking about going to a craft store and getting the largest ebroidery hoop I can find, and then experimenting with an assortment of fabrics for backgrounds. I'm not sure how it would work, but I have all kinds of fabric around here and the hoop won't cost much, but will keep the wrinkles out and give a nice flat surface that can be propped up, so I think it's worth a try.