It has to be said that the tests we've carried out are fairly brutal in terms of what people normally do with photo prints produced by inkjet printers. If you print out your pictures and save them in an album or in a box in a drawer, ink fade won't be a problem. The test images we stored this way are all close to their original quality, in terms of fade.
That's also true of the samples put behind glass and hung on an interior wall - there's very little difference now from the way they were a year ago. If you use your prints in either of these ways, the only thing you need be concerned by is the image quality of the prints themselves, as judged by our viewing panel a year ago.
If you are producing prints for long-term display under natural daylight, though, either stick to the manufacturers' own ink or pick the third-party products highlighted in our table. You can save money and still have light-fast prints, as long as you know where to buy.