i think WDZ should stick to his current ways of pruning like whenever the members gets full as hell then just prune the members who havn't logged in for like 6 months
because maybe some people register, log in every day, read and read, but never post, what will they say when they're account was deleted just because of not posting ever? should only prune if they havn't logged in for 6 months or more IMHO
EDIT: Theo, i know you can browse without logging in but i've seen a few people in the "also browsing this forum" and clicke their name and they had 0 posts =x
/ 
