There has been more progress with the new texturing system, but also a GUI system is in the works (both a library called betawidget and an interface proposal) which looks quite impressive compared to the current look. And hopefully the feel will improve too - there are some small unergonomicalities with how assembling tanks currently works.
this interview if you want to know more about betawidget (it has SVG support!) and future plans for the project. There's also a German translation available.
The WZ wiki has now a page that explains how people can contribute to improving the wiki. For all the MediaWiki-fetishists out here.
Speaking of MediaWiki and fetishism, there's now a LÖVE wiki. Let's see and hope it brings much use!