I do, I have been validating my idea and have enough to put a pitch deck together. I get commits from the first 3 potential customers as well, to create a strong case for the business.
Yes, I have some potential partners.
My biggest dilemma is financial outcomes. With my job, I have a guaranteed path for good financial outcomes (a million in savings or more, conservatively speaking) if I stick it out for another 5-8 years. But is giving this up a good path? I could make a lot more or nothing at all.