Collect 'em all! With the chorus, tremolo and autopan plugins you can turn any track into an unrecognizable blur of moving sound. Might as well throw in the comb filter, phaser and vibrato plugs, too. Maybe he should put all 6 of them into a Mangler Bundle.
I totally agree with sharke's assessment. It's a very nice chorus indeed, well worth 25 bucks. What I like about it is that by restricting the effect to a narrow band it's possible to add it to tracks that would normally not do well with a chorus effect, such as a 12-string guitar. I'm also fond of the Leslie preset synced to the project tempo to add a subtle rhythm enhancement.