Great Eastern (which will be out in a month or two) looks by far the most detailed with things such as AWS ramps and even CSR boards!
http://www.makingtracks-online.co.u...temid=157&g2_view=core.ShowItem&g2_itemId=286
http://www.makingtracks-online.co.uk/index.php?option=com_content&task=view&id=43&Itemid=70
http://www.makingtracks-online.co.uk/index.php?option=com_content&task=view&id=97&Itemid=113
http://www.makingtracks-online.co.u...temid=157&g2_view=core.ShowItem&g2_itemId=286
http://www.makingtracks-online.co.uk/index.php?option=com_content&task=view&id=43&Itemid=70
http://www.makingtracks-online.co.uk/index.php?option=com_content&task=view&id=97&Itemid=113