Yup, this is a better solution - but if I recall correctly, they still need organs to use as templates (they drain them of cells & use them as a bio-framework if I recall correctly), I'm unsure as to if they can re-use them or not (pretty big factor there).
But it would mean that pretty much any organ could be used.
Without looking it up, as I am pretty damn lazy (and the transplant list for a work ethic is pretty darn long), I think you are right.
For now though, obviously. The technology will get better over time, and the synthetic organs will go from an idea, to viable to being fine substitutes.
Blood should be the easiest, read somewhere its already possible to produce clean O- (universal donor, works with everybody) blood, we just need to improve yields in production. There is no reason why within our lifetime we cant eliminate the need for blood donation totally.