http://mfilos.blogspot.gr/2012/06/a4000-installing-indivision-aga-mk2.htmlIt performs ok when you connect it with the VGA cable via an DVI to VGA adapter although it shows some vertical stripes (as you can see on my mini review as well).
People had some issues with the DVI connection on some LCD displays, and also some HighGFX modes don't work as intended.
Good thing is that Ratte's SuperPlus (800x600) driver works just fine in any connector (afaik) and we're all waiting patiently Jens new core update that will come in future.