i just figured out the command line is ./sdlquake -winsize 800 480 -fullscreen

Thanks arnimS... i just checked and they anticipated that with the -fullscreen command line option... nice to verify though. While in there i noticed the winsize command line var. Pixel Doubling could be useful since most of the time i have to zoom the screen to half size to be playable.

If directory permissions are set up ok it will autogenerate a config.cfg file.. id recommend changing :
F7 to "sizeup"
F8 to "sizedown"
F6 to "+klook"

save and then copy into /tmp/id1

full screen is beautiful but slow... that will let you zoom in and out the visible area to speed up slow down depending as needed... and the fullscreen button + dpad directions let you look around.