For the record, the new site is still using MediaWiki: <
http://ohinternet.com/Special:Version>. I'm not quite sure why I thought otherwise; must've been the skin change or something.
The new site seems to be pretty terrible. If you want to legitimately cover Internet-related topics, you use Wikipedia. The niche that ED filled was to cover Internet culture in a more amusing and chaotic way. I can't see this new site going anywhere.