That's hard to say without a break down:
There are 2 different copyrights in play: Copyright in the song (known as publishing rights) and copyright in the sound recording (known as master rights). The publisher only deals with the publishing rights, which is the songwriting side and includes...
OK... well... I actually *do* care about the packaging. There are several types I fully detest. In spite of that I'd make the purchase in any of them as long as it was the full series *reasonably* priced. $200 is in no way "reasonable" at my house and $100 would be a bit of a stretch for only...
I'd love that but with Rhino's pricing history I doubt they'd reduce the price by much, if at all, for a "disc only" type release. They're a lot like Shout! with pricing and tend to overprice everything, rarely offering sales that take prices to what you'd expect the regular MSRP to be.
That...
I think you'd be lucky if they were $50/season on a re-release due to all the music and its associated license fees. Add to that that it'd likely be licensed to KINO or Shout! and you have a recipe for an above average MSRP.