Closest you'll get is the charts section here in Tom's. There are so many parts and companies out there, that it would be impossible to benchmark every possible combination to make a program.
EX
If you only tested the most popular items
ex. ~20 major cpus choices ~200 good mobo choices, ~200 good RAM kits, ~10 good HD choices, ~30 good PSU choices.
That's already 240 million possibilities, less because of compatibility, but I'm not including stuff like drives, case, HSF..etc