RFC: Plan for new array on PE2500

I have been reading forum posts and documentation for the last day+ and want to run the following scenario past you guys for comments.  Recently I was enlisted to help a friend upgrade his PowerEdge 2500 (Win2k).  The only problem with all this is that I have almost nil experience with the 2500 and Array Manager.  So after doing my research, I just want to ask if I am missing anything in the following plan of attack.
My friends 2500 has a RAID 1 Array comprised of 2x36GB drives.  These are attached via a PERC 3/Di Controller on Channel 0.   This array has two volumes on it:  c: (os, 8GB) and e: (data, 26GB).  He is outgrowing his e: volume now and needs more space. 

Proposed solution:

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Purchase three 73GBx15000rpm drives and chassis.
Backup C: and D:
Rename migrating shared folders on E: and unshare them.
Note existing scsi ids via Array Manager
Turn off server, set scsi ids, and install new disks.
Boot and check configuration with Control M SCSI util.
Boot to Win2k and Run OpenManage Array Manager.
 -verify 3 new disks appear
 -create disk signatures ( Disks, Right click, Write Disk Signature)
 -upgrade disks to Dynamic (Windows 2k only environment)
-Create Dynamic Volume (RAID5, ~140 GB, F:,  NTFS)
Migrate data from E: to F: drive.
Create new shares on new drive.
Either swap drive letters in Win2k Disk Manager or point existing user shares to new drive.

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Can anyone add on any steps, or give me any pointers to make the operation go smoother?  This is a mission critical machine so that is why I’m trying to dot all of the I’s and cross all of the t’s. 

One questions, it seems that via Array Manager I can mount my new Raid5 array to an empty folder on e:.  If I rename the existing shared folder(s) name, can I create a Dynamic Volume(s) and mount it has as a share old name?  That seems that it would eliminate the step of reconfiguring users’ links to the old shares.  Are there any glaring reasons why I shouldn’t do this?  i.e. later expansion?

Lastly, I don’t do this sort of work often, but my friend offered to pay me for my time.  So as a baseline, I am just wondering how much a consultant might charge for the doing this.  Assuming the backups were done already, it seems like the whole thing could be finished in less than 2 hours.

Thanks for your comments,

rd