A while back there was some talk about making own track. I posted about someone who has done it. I finally found the site. I got it from G scale central, here it is
http://www.members.optusnet.com.au/satr/satr.htm
here is a video of his layout
http://www.youtube.com/watch?v=XAE4XFpKU6E&feature=youtu.be
Some really cool stuff this guy does and his track really looks nice.