Thanks!
I do the orchestration in Cubase (either step writing or using an Oxygen keyboard controller). The samples are EastWest Symphonic Orchestra. If you're looking to do pads or quick-n-dirty style sting parts, this is not the plugin to own; this is straight up orchestration, so you need to score each instrument individually. It took about 3 hours of experimentation, believe it or not, to score that little piece, because once you decide which instrument is going to be playing which part you still need to work out the actual harmonies.
I really enjoy doing little orchestral bits, though. It really exercises your composition skills!