Keep an ear out for ITER doing exactly that in 10-15 years. First plasma in 5. ITER was designed with LTS coils and will cost in the range of 50 billion USD.

Keep an ear out for ITER doing exactly that in 10-15 years. First plasma in 5. ITER was designed with LTS coils and will cost in the range of 50 billion USD. HTS coils are a big deal for driving size and cost down. MCF is still the king in terms of fewest engineering hurdles to overcome. Mirrors and liquid metal pistons are certainly neat avenues and should be explored, but you won't see them in 1st generation plants.