A) I've got this working. I couldn't work out how to dynamically build CREATE INDEX code from an existing table, so this is hard coded in external .sql files.

B) I've got this working.

C) Low priority...if you can comment then cool.

My PS script is here: https://github.com/scottbass/Powershell/blob/master/Functions/SqlServerBulkCopy.ps1. Comments/improvements welcome.