There is a program called change.zip on http://www.matrixorbital.com/downloads.htm that should let you change the intro screen. It says it works with LK202-25's. As far as the initial state of the GPO's, I believe you're out of luck as to an easy fix.
LCDC doesn't actually run as a service. You can use other software like AtYourService or FireDaemon to make it kinda run as a service but it still won't start 'till Windows is pretty much up and running.
As far as setting the state of the GPO's when the display is first powered on I believe you're out of luck. I know with my display (an LK204-25PC) some of the GPO's are on and some are off when I power it up and that's just the way it is.