All the makers do their 'PhotoPrinter' models
I boils down to do you want a dedicated photoprinter that delivers 6x4 prints only from ink jet technology
or similar using dye transfer- giving photo realistic results
Are you looking for inkjet a4/a3 size?
You will have to do some thinking here.
In the inkjet field the PhotoPrinter will run from 6 colour carts -Magenta Light Magenta Cyan Light Cyan
Yellow and Black.
Dye transfer run from special packs -similar to a polaroid camera
Read the PCA reviews and go seem them in the flesh
at your local PC shop.