you pick :

* forge dump
* mailing lists
* wiki
* etc

A such archive would cost nothing to do and could be future proof ...

I agree the web was not designed for tarballs ... but I'd be pleased to know that in a decade a such information could be available ... and in a optimist view , in case if earth would be devastated ( by wp8 selop or any un/natural disaster) I am sure a higher intelligence form would deserve this brilliant accomplishment....