modeling websites

ive been to rollercoastermodels.com and cmg and magnum now no longer available and to brad's they helped alittle and im still wondering on what to use material wise. but besides that does anyone know of any others even homepages! thanks
-ryan
-------------
Formaly Inverted of Danimation

have you been to :

www.modelrollercoasters.com

www.therailz.com is a good site, it has not been updated much, but i have talked to someone there and he said that it will be update soon as he gets the roller coaster layout complete.