Sounds like composition is about to be your new best friend :) That's how studios do it, very rarely is a scene done entirely in one camera on one app. Each element is rendered out to be composited later, even if those elements are generated using the same program. You could never do as good a job with landscapes as Vue does in Lightwave, even with a scene export. Likewise you can't get good character animation in Vue, use each for its own uses.