@ARE_you_kidding_me , the Mars Curiosity rover has a plutonium isotope power supply.
It’s pretty rare these days for NASA to use a nuclear power source (they got the plutonium from Russia for some reason) and there were some mild protests about it, but this one does give this rover a lot of capability that the solar-powered Spirit and Opportunity rovers never could have had.
But, yeah, cameras! I’d put a variety of cameras on a new probe like that.
I’d also put an onboard laboratory to analyse space dust and sensors to measure solar plasma.
Better and maybe more powerful radio equipment could be added to give the new craft even longer range than Voyager, although it’s unclear if there is much interesting way beyond the photosphere, it’s interesting just find that out.