The roads are built now, and I don't need them worldguarded.
The farm is nearly finished; only some bits are on hbmann's and my to-do-list.
Here's a picture which shows the current progress:

The mod I've used to get this map (from the picture above) is Rei's Minimap v_2.3. If you want to download it, do it here: http://www.minecraftforum.net/topic/...s-minimap-v23/ You will need ModLoader.