Why'd you give up on local image generation? With FLUX-based models and tools like ComfyUI, it's actually better than what you get with cloud-based services. You have a lot more control, and the wide availability of LoRAs makes it much more fun/useful, IMHO.
Having said that, if you don't have a modem GPU with at least 8GB of VRAM, it's not going to be a great experience. 16GB is preferable.
My great wish is for there to be affordable, fast GPUs with at least 32GB of VRAM. That would be enough to play a modern AAA game while also running other AI workloads at the same time (e.g. as a secondary aspect of the game).
I have two really fantastic game ideas that can't really exist without the average gamer having access to that level of hardware. Not for fancy graphics; for the AI possibilities 😁