Hi there
The drive partitioning options are somewhat limited in current products.
It's basically a choice of "leave alone", or "wipe the disk and create a
single volume".
As for partitioning info, you have an option called "autopartition", or the
choice is to let the user select at install-time.
You can change the Windows systemroot directory, Program Files, Documents
and Settings and probably more.
The best overall resource is probably the Windows 2000 Professional Resource
Kit or, I imagine, the XP Pro Resource Kit (haven't read it, personally).
If you look on the CD, there's actually a file called deploy.cab, which
contains a lot of documentation.
Once you've learnt the basics, there's some excellent work being done in
this area over at
http://www.msfn.org/. Check out their forums and their
how-to guides. There are some brilliant tips and tricks there.
My, somewhat outdated, guide is at
http://www.willowhayes.co.uk/windows2000/
.. Patrick LoPresti is diong some great stuff over at
unattended.sourceforge.net.
Hope this helps
Oli