Unfortunately, I don't think Blastoff is available anywhere anymore. I bought mine from Sequoia many years ago and I think Burling may have carried it for a while, but she doesn't anymore.
Now, on to Dark Night. I should start by saying that I'm categorically against growing roses indoors because any rose is going to do better outside. That said, I have to ask whether yours is an own-root rose. I have a grafted one that's the furthest thing from fussy. It's huge for a hybrid tea; not particularly tall (maybe 4-5 feet maximum), but it spreads out at least 4-5 feet wide. In fact, it looks more like a floribunda in its habit. It also blooms in clusters at times, so I'm not at all sure it warrants the hybrid tea classification. It's also an exceptionally vigorous rose. The blooms do suffer in triple-digit temperatures, failing to keep their high-centered form, but that wouldn't be a problem in San Francisco. I have heard that it's prone to mildew in the Bay Area, so that could be a problem for you.
In spite of being grown indoors and being attacked by spider mites, however, the bloom on yours is exquisite!