heyho.
i’ve added a first person view to my actual wip. u can switch between the cameras.
here’s the file:
http://mitglied.lycos.de/digitalgrafIx/files/rollercoasterwip.zip
have fun 
looks good, but you should include the options to switch cameras (unless I can’t find it).
u can…
just select the camera of your desire (heh) und press ctrl-0(on the num-pad) while being in a 3d view… that’s all