I'm thinking it'll probably be like the Transmetals in Beast Wars. Maybe some of the characters will adopt new looks, maybe even just on a temporary basis, but others might not. Can't really imagine Ratchet from the cartoon letting himself look like that.
Not sure I'm that bothered though, because it's an awesome toy.
assembling a Neo-G1/TF:TM cast. Please PM if you have (or know of) the following at a reasonable price: Classics or Henkei Prowl, Astrotrain, Ramjet, Skywarp, Sunstreaker, Sideswipe, Blurr, Perceptor, GDO Wheelie and Springer, or 3rd Party Motobot Arcee, FP Springer, iGear Ratchet and Ironhide, City Commander (and/or Ultra Magnus), Starscream (deluxe) Coronation add-on, or Spike and Daniel in their Exo-Suits.