I'm intrigued by VSL and am thinking of starting to collect the libraries in a month. I'm very much still a beginner at composition / production.

I have VSCO2 and am buying full Kontakt in a few days. I'm thinking to start my VSL collection by filling in some gaps such as saxophones, jazz drums and concert guitar for VI Pro. Maybe then get a copy of VE Pro, in part for Epic Orchestra and to compare VI Pro to Synchron. At this point my plan is to evaluate what I use frequently and am unhappy with whatever I currently have.

Is there anything I should be aware of when buying an instrument at a time, as opposed to a starter edition?