I just got a Diamond Stealth card, so I finally got around to installing 
   X... after finally making sure all the dot clock values, monitor sync
   rates, etc, etc, etc, etc. were right, we eliminated all of the error 
   messages, but now when I do a startx, (or xinit, or X :0, or anything)
   it says goes through your standard stuff as it tries to load then
   gives me an "X connection to :0.0 broken (explicit kill or server shutdown)"

   I'm using NetBSD 1.0 w/ XFree86 3.1... I have 16 megs of RAM and it's on 
   a 486/66.... 

   Anyone have either any specific ideas or know where I can turn for general
   help?

Did you try redirecting stdout and stderr to a file, and see if the
server generated any more messages?