Agree.
That's why I said "mostly straightforward".
If we are talking about code, you shouldn't much trouble unless you have some particular and complex implementations. I mean, v6 datastep coding is pretty much the same as v9 and the majority of procedures also.
If we're talking about SAS server architecture, then forget it. v9 brought a complete new setup, you'll probably have a lot of manual work if not to redo many things from scratch.
Give us some more info please.
Cheers from Protugal.
Daniel Santos @
www.cgd.pt