Is there an all-in-one optical drive yet?

I’m trying to decide between a case with one external 5.25″ slots or two.  The deciding factor is whether there is yet (or is going to be soonish) an all-in-one optical drive for CD RW, DVD RW, Blue-Ray, HD-DVD.

Second question — if this monster optical drive does/will exist, will it be so expensive that it would be cheaper to just buy two drives?

Thanks!