> Allowing mods to tweak the sorting algorithm is a great idea to do this by the way.
Already built. The front page algorithm section at valME.io allows you to select reddit's as the default [1] or choose your own customizations (include NSFW, max hours to evaluate post, num of posts on front page, num of karma by karma type and weightings, OP's karma balance and weighting, OP num of comments, post views, OP age, num of OP flags, etc.)