Danfoss SC12MLX w/start and run caps, pictured in the first pic.

I got the bottle of suva for just under $100. that bottle is at 600psi. iirc the PT chart said 550psi at 30c. The compressor can reach ~70c

Yes, its going on a P4 CPU for benchmarking.

Its running right now, we did a few more power failure tests and will be putting a 1200Kva (100 Minute) UPS on the first stage as a failsafe if it loses power durring Comdex. It will cool the second stage to prevent it from blowing a seal or the blow plug.