I don't have one of those--maybe in the future.
Let me recommend--by way of fueling the fire--the Yahoo group "On30 Conspiracy": hundreds of members and about as wide a range of approaches to the scale/gauge combination as possible, from folks trying to represent the big 3' gauge lines to the critter fanatics to the frustrated Maine 2-footers to the guys scavenging HO mechanisms and wheelsets to create just about everything else from the ground up. "On30 is Funner!"