Nanotechnology is pretty exciting. The idea of designing the pores of the semipermeable membrane and having a pore library is amazing and it is something that could be here sooner rather than later. Going the next step and using passive diffusion so that the need for dialysate is eliminated will revolutionize hemodialysis. Very exciting.
If you haven't already you should post an introduction so that you can be properly welcomed. This is a great site for connecting to people traveling the CKD road. The fact you're engaged predialysis tells me you're already way ahead where I was when I was at your stage. I always suggest that
http://www.kidneyschool.org should be a person's first stop on the learning curve.
Check out the various types of dialysis - there are good reason's to choose each alternative. Find the one that fits you. What do you want to be able to continue to do once you start dialysis? Tell us that (maybe start a new thread "How to choose?" and it'll help us make suggestions. What three things are most important to you?