The thing I'd want to see most of all? An experiment confirming or refuting the result of a posted paper, and the results of that experiment posted as a pre-pri

The thing I'd want to see most of all? An experiment confirming or refuting the result of a posted paper, and the results of that experiment posted as a pre-print within ~3 months. I.e., actually getting real science done fast, taking advantage of how the long journal process was bypassed.