My favorite subject!
I've got Symphonic Orchestra Gold and Symphonic Choirs + VOTA, been making do with the gold version even though I do would like to have the samples dry when needed. I would have probably taken the 8dio route instead had I not bought these before learning about that company, though. The 8dio stuff is somewhat more playable. You do get to make your own phrases with Symphonic Choirs, for example, but it may need some extra work to make sound right, and I haven't really found myself using the WordBuilder for my own phrases that much. It's still a great concept though, for sure.
Besides those, I have Realivox - The Ladies which I always give a shout out to, given the chance. Really love using it. Other than sung phrases, this is now my go-to for any female solo vocal lines or even detailed choirs. You can hear a piece I made using that here:
https://soundcloud.com/realitone/olli-salonen-the-absence
I also have Evolve Mutations 1&2, Alicia's Keys, and so on, regarding some smaller ones. Those are all great for inspiration, but the latter gets less use than the beautiful Emotional Piano by Soundiron. I look at 8dio and Soundiron as if they still were one company, and I have LOTS of their mid-range stuff, so if anyone has any questions about some of those, I can speak my mind about them.
If you're looking for convincing solo instruments, check out Embertone. They're relatively new in the business, but their stuff is incredible. I don't have the flagship violin or the cello, but I haven't had more fun playing a sampled trumpet or saxophone than their products, and they're really easy to make sound realistic.
