I just read it. I really can't understand how someone could recommend Love as a substitute for Osiria. It's similar to Osiria in coloring, as dozens of other roses are, but not nearly as exciting. Osiria's petals are scalloped and ruffled, and they're completely different from Love's. As for Fire 'n' Ice, there's hardly any comparison at all. It's a much smaller bloom and it also has petals exhibiting no scalloping or ruffles. Both Love and Fire 'n' Ice look quite plain in comparison with Osiria, and they also don't have Osiria's strong fragrance.
I'm sorry to hear that the grafted Osiria doesn't grow well. I've had an own-root Osiria from Roses Unlimited for about six years. The blooms are breathtakingly beautiful, but the bush itself would not win any beauty contest. I was blaming its flaws on the lack of a vigorous rootstock and was really excited about replacing my drippy-looking rose bush with a grafted one.