[weighing in on the nesting/quoting bikeshed: the structured quoting which Simple Machines Forum (SMF) provides is a nice compromise: it preserves the exact origin of the quoted material, for easy backreference, but it also allows flexible editing of the quoted content and for combining multiple quotations into a single response.]

Clearly the whole thing should be started over using Xanadu [1] :)

[1] http://www.theguardian.com/technology/2014/jun/06/vapourware-software-54-yea...