Digital BW, The Print

"Due to longevity concerns, most of us want to use pigment inks for our work (ie, Epson 
printers), and most other printers use dye inks."

I'm really not trying to start an arguement here, but if the Wilhelm tests are correct - and 
the newer HP ink and paper combination do give 100+ for framed and glassed display, 
doesn't that at least call us to question our belief that pigment inks are the only way to go? 
Again - I'm really not trying to stir anything up here - but trying to weigh all the options 
prior to investing in a solution.

Thanks in advance for any help you can give me

Phil C.