The thing I found about HP before I bought Epson was that H-P doesn't specify their droplet size nor horizontal and vertical ppi resolution information. Thus you can't compare to Epson and Canon. Even an employee at Best Buy who was told to sell the hell out of H-P said that disappointed him because he had asked about specs and H-P training specialists avoided the subject. He himself preferred and owned an Epson although Best Buy had dropped them in favor of H-P and Canon. That would mean that H-P printers either waste ink worse than other brands or their print resolution isn't as good.

I also don't think H-P makes a printer with 6 or 8 convenient separate ink-saving tanks and only uses the multi-color single tank method so you are throwing away unused color inks when only one color goes dry. I might be wrong on that because I don't pay much attention to H-P printers for photo purposes.

I have over 32000 digital images. I have set up individual files in my computer using names that fit the different types of photography that I do, quite a few of them to be honest.
When I look at the images I have shot, after deleting the rejects I do a select all and the using the first image I rename them with the date they were taken ~ ie. 11 22 11 (the computer will not accept / - or other symbols so I simply use a space). Each date is unique and will never reoccur so images shot today and stored in the birds file will be placed under the images shot on 11 20 10 ect.
This system works well for me, the only thing I have to remember is whether I saved an image taken of a landscape on a road as a landscape image or a road image. If I can't remember then I just look in both ☺