Best way to move Users folder off the boot drive

I read a couple of old threads regarding this topic, but I have some lingering questions...
I'm awaiting my Mac Pro. I ordered it with one drive. I plan on adding two drives in a RAID 0 array for data (which will be backed up regularly, of course) as soon as I get the Mac.
This is my first Mac, so I've got some questions (long time PC user as well as AIX & Linux user):
1. Is it better to move the entire /Users folder or just selected /Users/<user_name> folders? I'm thinking it's safer to just move selected /Users/<user_name> folders (e.g. my "everyday" accoun'ts home directory, other family members' home folders, and the /Users/Shared folder). That way, in the event that I have a problem with my data drive (a RAID 0 array), I can login as an admin whose home folder is still in the boot drive and I won't have any problems logging in as that user when doing maintenance.
2. Is it safe to move (and delete from the boot drive) the /Users/<user_name>/Library folder? Note that I plan on moving the home folders on a brand new Mac, but will things get messed up if I delete /Users/<user_name> folders from the boot drive once I've moved them to the RAID array?
3. Are there any ill-behaved programs that expect Users to be in the boot drive, so I have to create a /Users/<user_name> soft link that points to the actual folder in the RAID array?
4. I believe I found the steps suggested in Pogue's Mac OS X Missing Manual book (although it's in the context of moving the folder to an external drive). Basically, it entails running:
a. sudo ditto -rsrc "/Users/<user_name>" "/Volumes/<thenewhome>"
b. Then, in Accounts pane of System Preferences under Advanced Options, enter the new Home folder.
c. Reboot and delete the original /Users/<user_name>
Does this sound right? Seems really simple (much easier than in the Windows world).
Thanks.

Just wanted to clarify:
1. Mike Bombich's method entails moving the entire /Users folder to another drive so everyone's home is moved?
2. David Pogue's method (as described in the Missing Manual) only entails moving individual, selected home folders to another drive (and no soft links needed)?
3. It sounds like Pogue's method is preferable anyway (for the paranoid at least), so if the 2nd drive dies or needs maintenance, I can still login as a user whose home folder is in the boot drive?
4. So, if I use Pogue's method, all that is needed are the steps listed in my original post above, and nothing else?
Thanks.

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