earnai.com - auto investing
usa-ai.com - there is only one leader in the field!
easy-ai.com - no it isn't (yet!)
goalai.com - where are you headed
navyai.com - sea war games
This seems like a ripe territory, and for good reason. I'm considering getting an ai domain for a chatbot project I'm working on, because .ai lends well to bots of any level of sophistication.