It's generally really impressive and then suddenly very wrong. As in, it navigated a four-way stop with a in the crosswalk flawlessly. And then, later, it was lining up for a left turn into a parking lot and decided that the oncoming truck wasn't relevant, so it spun the steering wheel very quickly and lurched forward until I mashed the brake.
I'm very hopeful that we can replace the mistake-prone meatbags that drive cars now, but I'm incredibly concerned with people on other forums saying that they trust it completely.