Successful install of XP after Vista

FYI

These are the steps I used to successfully install XP after Vista RTM.

Disk was clean (no partritions)
Boot via Vista DVD
Create C:
Install Vista into C:
Boot into Vista, create E: via Disk Mgr
(D: is the CD/DVD drive)

Boot via XP CD
Select E: as target
Install XP into E:

When XP install is finished, computer will only boot into XP
Copy ntldr file from Vista vol into root of XP vol

Boot via Vista DVD
Select Repair Your Computer
Select Vistal vol
Select Startup Repair
(no notice of finding an error)
Reboot per prompt

Boot into Vista
Install VistaBootPro v3.1 beta
Do the BCD backup
Select "Manage OS Entries"
Select "Add new op system entry"
Select "Windows Legacy"
Enter a name (to show in the Vista boot mgr menu)
Select drive letter E:
Select Apply

Reboot
Select XP op system from the Vista boot mgr menu