Aida, Swazoo2, and Scribo load into 4.3 well enough with several ConfigurationOfXXXs. Starting it with "SwazooAida demoStart" produces a site at localhost:8888. From there if you start to explore the demo "self halt" exceptions appear.
I tried to load our site, squeak.org, SqueakSite-janko.18.mcz, and it says that "WebComponent" is required to proceed. I imagine in the three-and-a-half years since a new version was uploaded (Halloween 2008) Aida and Scribo have moved on a bit.
In short, to get our homepage running on a current version of Aida and Scriboo in Squeak 4.3 would take some fitting, but nothing much. It's a great site, so it's well worth it.
Chris