I would add to your list:
MO- Sarah Steelman (Senate)
WI - Neumann (Senate)
I have one significant difference with you and that is Arizona. I think conservatives should support Jeff Flake. His opponent (Wil Cardon) in the Republican primary is a wealthy individual who had put over $4 million of his own funds into his race. Despite that, Cardon polls behind the individual who will be the Democratic opponent in the Senate race.
Jim DeMint had endorsed Jeff Flake and everything I’ve seen on Flake indicates he would be a reliably conservative Senator.
Flake is piss-poor on the biggest issue facing Arizonans... border issues.