I just installed windows XP on my MacBook pro. I followed the instructions perfectly. Here are a few notes.
You really need a USB keyboard and USB mouse - the MacBook keyboard and mouse pad will not work until you install the mac drivers. I used a PC USB Keyboard and a targus USB mouse - just peachy.
CTRL-ALT-DEL (to bring up the Task Manager) is CTRL-Shift-ESC.
I had corrupted images when using Windows Media Player as a plugin in a web browser. Go to Display Properties (Right-Click on Desktop Select Properties) -> Settings -> Advanced -> Troubleshoot -> Set Hardward Accelletation to the third clik from the left. It says "Disable all Directdraw and Direct3D accellerations...". I kept "Enable write combining" turned on.
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I installed remapkey (using the resourtce kit tools) and mapped the del key to the right windows Key (the right Apple command key) so I can do CTRL-ALT-DEL.
Also I will need to turn on and off the Hardware Accelleration when I use Pinnacle Studio as it really wants DirexctX.
My oinly remaining problem is the lack of a right click. There is a software solution to this, but I think that I will stick with a USB mouse because the solution is a third party thing. SO fart I have used official stuff.
So far so good running Windows XP on my Macintosh. Now that it works - probably back to the Macintosh Operating system. I frankly don't exactly know why I wanted to do this - but I did :)