No Jed, I am not reading Ed's book. If you know of a 120W experiment which meets criteria for replication, reliability and proper methods, it's up to YOU to provide the cite.
If You like to read only one paper, I recommend the following very fundamental work of Stringham:
It will annoy You as it proves the 1:1 match of DD He and only gives 64 Watts...
Tell us the COP to verify that You really did read it.