How about a FREE, OpenGL, multi-platform, current and active, open
source Space Simulator (that is unbelievable with the lights off in
the room)?

http://www.shatters.net/celestia/

I have Microsoft Space Simulator in my closet somewhere, on (3) disks,
and it's pretty lame compared to Celestia.


-- greenchileNM

(If you want the disks (+ original manual), send me $32 (+ shipping
and handling))