I just wanted to add that I had the same problem here. During the monitor driver install part, the popup for 'plug and play monitor' was showing up 2 or 3 times and you have to go through the prompts even though nothing was really accomplished by that because the drivers were self-installed anyway. Yes very frustrating. I was using an XP SP2 install CD for a DELL D620. The D620 does not have a specific driver for the monitor so the MS generic one is installed. I tried all those suggestions for WINNT.SIF, those 2 driver signing settings to ignore, everything was set to full unattended and this problem was still popping up. Then I tried integrating SP3 into the install CD. This alone fixed this problem for me. I wanted to pass that along, it might work for someone else.
