This really is an interesting rose, in my experience. The first few times I saw them at the local rose botanic gardens (a year or two ago) I hated how they looked, as the blooms were very pale and washed out looking and the bushes were not attractive, or healthy looking, at all. Someone had recommended this variety to me and I was very, very glad I hadn't bought it.
But then I saw them there again a couple of months ago (late spring, or early summer) and they looked significantly better. Very unusual bushes, though. There were just heaps of these strong, yellow, with orange on the edges, blooms, but they were all sitting atop the bush. None down lower, or on the sides, or anything, just all on top. It was just like this wall of flowers all standing straight up above the foliage, with very few gaps in between. So they looked spectacular (from above, especially- they're about 4 foot tall) and would have for a couple of weeks, but then I imagine they would have looked pretty ordinary once they started to fade, which they do, pretty badly.
So it's probably not a bush you would want to grow in a prominent spot, but perhaps down the back somewhere, where you can enjoy it when it looks good (and pick the blooms, which would be good for a vase) and then ignore it the rest of the time, when it doesn't necessarily look much good at all.