I don't remember much about it, I think it was a little bit different to normal VCS setup, just a tiny bit - so I had to ask VCS support engineer for assistance.
For the building/consulting experience with GCO, I can't really tell.
Last year when we had a Symantec consulting guy on site for two days, we had to pay a little more than A$4,000 excluding travel/expense.
It was for NetBackup catalog migration, but I guess they don't bill too-much-differently for the different tasks ... it's just a labour cost anyway.
Abe