I'm having issues getting my Descent 3 to display at the proper resolution on my Vista 64 bit machine.

Here's the command line I'm using:
-height 1920 -width 1080 -framecap 999 -bumped -aspect 1.78 -nointro -nooutragelogo -z32bit -pilot Jazriel

It displays at what I think is 800*600 for the main ...