Pixo, I think you will be quite happy with TG's abilities in regards to quality and high res rendering. I am regularly rendering above 5000 pixels width and never had any problems, even at 10000 pixels it just did what I expected, no crashes, no excessive memory usage etc.
The node system is really powerful, as a former Vue user I am getting to what I have in mind way quicker than with Vue. No advertising speech here, just want to share my experience.