Digital BW, The Print

In DigitalBlackandWhiteThePrint@yahoogroups.com, "Mark Hahn"
<markhahn2000@y...> wrote:
> If you can live with 8x12/8.5x14" prints or smaller
> the HP printers give you b&w that is just as easy 
> as any plug and play color printer and the prints are
> excellent and reported to be archival.

Can you cite where you heard they were archival?  I was under the 
impression all the HP's used dye-based inks.