I have not noticed much of any organization to the site. If I need to find something, I get completely out of the site and do a Google search "LinuxMCE telecom configuration" or something. Then I find a whole lot more than I could ever find in the wiki. A lot of the info and tutorials are alphabetical by title, which means if someone wants to find a tutorial about setting up a RAID, they must look under "C" for "Create RAID"
I think the front page of the wiki can be brought under control. Its when you start to drill down that the problems really get bad. So here is my suggestion:
Looking at the "Support" heading on the wiki front page, it seems to me that "Hardware" and "Troubleshooting" do not need to be there. I'd suggest that everything in those categories be moved to "Tutorials/Guides". Then we should really organize the "Tutorials/Guides" category. Lacking any better idea, why not organize it as it appears on the TV screen - Lights, Media, Climate, Security, Telecom, and Advanced? Then we might want to add "Hardware", and "Installation". If these titles need more info we could use parentheses, ie Lights (Home Automation). I think that all Hardware or Troubleshooting articles would fit nicely in those categories.