It's something like half of the track's wall height over ground right now and it was like this in video too i think
btw. Give kid a toy where he can do whatever he wants and this kid is me... i've put damn many ships on track and watched my CPU run it's last strenght to render them all and calculate many physics(i'm cruel to my PC
)
http://www.youtube.com/watch?v=T8k8cOFDOPs
btw2. I predict my next project update to be something not faster than within 4 weeks. (aaaah, something big is coming up)