Thanks for this calculator.
It's exactly what I was looking for, and I used it to help me figure some things out.
However, you have a bug in it.
Where you enter your own MTBF, by entering a Base 10 value.
It doesn't seem to react to that properly.
I wanted to use 1million, since I want to...
Have you had any nibbles yet?
I've just read your post, and not tried to run it yet.
I'm in the same boat: I am looking for good benchmarks to decide what to build.
And there are dozens if you want to play games, but not that many popular ones for computational/workstation related.