Laaz, the new PDN catalog is out and there are some new variegated Agaves on it, can't remember the specific one you were looking for but they sure are purty!
http://www.plantdelights.com/Catalog/Current/Detail/08537.html
Well, they have about 5 new Agave,
http://www.plantdelights.com/Catalog/Current/new.html
I also have some I'd be willing to let go of... I can already tell the GH will be too crowded again this winter!