I think the VSL Special Edition + MIRx is the best, most value-for-money full orchestral collection right now. It's not the "newest" collection of samples either, but it's impressive how gracefully they have aged. I guess it's this very detailed, down-to-earth and "realistic" recordings that make these samples so timeless. Trends come an go, and perhaps something that sounds really contemporary and "epic" today, will be perceived as dated 10 years from now. But a VSL oboe simply sounds like an oboe, and the programming is still just top-notch. And it's still a living product - they come up with new stuff like MIRx, VI Pro is being updated, etc., which keeps breathing new life into the library.
My take on this issue as well, couldn't have put it better then this....