This feature has been in the works for some time, and while it still is not perfect, I think it's ready enough to be released in the upcoming release. I like it alot myself...
The controller definitions are a bit incorrectly categorized though, so in some cases a SH4 controller is also listed under SH3. Also, the greyed out chunks are not supported as of yet (due to unknown data, or I simply had no time yet)...
Coming soon
