Inkjet after market replacements are fine for low end printers. Although I've found the after market failure rate has been high on the ones I've tried.
If you're running a photoprinter of any brand that is high end you'll more than likely find the after market inks cause more problems than they're worth. Head clogs, smearing or spotting is not uncommon.
I treid it on a high end Epson and tossed them out after trying to print one photo.
The Manufacturer inks are more expensive but you do get what you pay for.
Just be glad you don't own the new Hp B9180. A new set of ink cartridges is 1900.00 USD!