We've made some real headway with Ibex over the last few days. Adam finally awoke from his slumber with a mass of patching ensuing. (He'll disappear for weeks but then code in a few days more than most developers could do in a month.)
Anyway, his patches introduced a few regressions which we (myself and Tupshin) quickly backed out . I know there's a few undocumented bugs still with the core that I've encountered - documenting them was difficult until some of the existing bugs were fixed - but now most of the important bugs are fixed, I should be able to isolate them over the next few days.
 There's quite a lot of Ibex code (code running on Ibex) involved in those simple widgets, a lot of what we need to go onto create the more complex widgets. Stuff like org.ibex.theme.base.border-img or ibex.lib.selectable which will both be widely used.
(They're just plain text files so I don't know why Epiphany is being so anal about opening them up, especially when it displays .wmv files inline as garbled text. I hope stuff like that is fixed for GNOME 2.6 which I'm eager to switch to.)
 Check out the antialiased text. That's freetype compiled into mips and run using mips2java at runtime. That way we can make anything that can be compiled into mips code run over Ibex. Crazy stuff but very preferrable to having to rewrite Freetype in Java.
 Darcs rules. It's one of those relatively unknown gems out in the Free Software world. It certainly makes our development life a lot easier than CVS or any centralised server.