Am I going to be disappointed

I’m thinking about adding 3090 to my existing setup of a 3080, Ryzen 7 5800X, and around 80GB RAM (I can’t remember the exact total).

The primary use case would be privacy: reading my emails, helping with taxes and medical bill submissions. Basically stuff I don’t want to send to the cloud. Maybe running my Hermes setup which I have linked to home assistant. I’d love to tell it more about my family to make it more personal but I only want that information local.

I’d be happy to use my Claude subscription for real coding work.

But this 3090 is going to be around 1000 USD (auction ends today), and I don’t want to find my new setup is incapable of e.g. collating my medical bills reliably.

Is this a good idea or no? And if so, what kind of model should I be trying for non-coding, general life assistance and chatbot style tasks?

Thanks very much for all advice.