Laser isotope seperation is when a laser beam is passed through uranium to separate its isotopes, thus making a more enriched uranium. This process will have a much lower cost than current diffusion plants, which decreases the uranium's cost, and produces much less low-level radioactive wastes.
Fusion has many advantages.
It is clear from these advantages over fission power that research should continue until it is fully developed. Another technological advancement that would help the nuclear power plants would be direct conversion to electricity. Currently, fission plants create heat, which then drives turbines that create the electricity. There is a significant amount of electricity lost through this process. With direct conversion, the efficiencies could be in the 90's percent range, if I remember correct.