For a few hours last week (literally true), there were some refurbished R3800 prints available for $750. I think the included ink is worth roughly $500, and as I mentioned above, this printer gives you entree to buying Epson ink at a reasonable price as it takes much larger cartridges. Thus these printers were a wonderful deal and avoid the issues of using third-party inks with Epson printers.
I'll point out that, like the R2880, the R3800 has no glosser cartridge (nor do the HP printers) and it requires swapping photo and matte black cartridges if you change from some photo papers to others. Finally, the R3800 does not perform pano printing, i.e., print very, very wide documents, as do the R1900, R2880, and HP B9180 and B8850. But it will print a 16" X 20", important to some people.
Finally, HP does not make a 17" printer that I know about, nor did they announce such a product at the ongoing PM show. Thus, you're really limited to making 13" X 19" prints and the occasional 13"-wide pano with HP equipment unless you buy some very serious and expensive equipment. (For panos with the HP, you'll likely want to make a roll holder out of PVC pipe from Home Depot or wherever.)
The view that Epson does better because it's a printer company is not one that I share. HP Printers are a division of HP/Compaq. Epson is a divison of Seiko/Epson, primarily a watch company. But there are different views on this subject and each has their merits.
--
Adrian