I think the RBC and WBC thing is a great idea, I certainly could have used them to help my classmates through histology. I wonder if they'd do a sickled RBC, I seem to be hearing of quite a few cases of sickle cell lately, and it'd be nice as an educational tool ... so much easier than trying to draw it out on a piece of paper.

I'm also rather curious as to what type of WBC they might release.