Browse to
/Library/Preferences/SystemConfiguration/com.apple.Boot.plist
and open it up in your text editor- You can add some switches in here to make your life a little bit sweeter...
HINT: If you are having difficulty saving changes to com.apple.Boot.plist; Open Terminal and type
sudo nano /Library/Preferences/SystemConfiguration/com.apple.Boot.plist
just copy and paste the text) and press enter. Use the arrow keys to move the cursor. Ctrl+O to save (and then press Enter to save) and Ctrl+X to close.
To automatically use a certain graphics mode
<key>Graphics Mode</key>
<string>1280x1024x32@85</string>
Note: If your video card is using VESA 2.0 drivers, leave out the '@85' part as it only works on VESA 3.0 will cause the system to reset before getting anywhere.