There definitely is something different about Rondo. Is it a good game? Yes. Is it different from previous games' feel? Yeah...but that's awesome too!
I think that in many ways Dracula XX is still a better platformer than many other platformers, just because it adheres (if sloppily) to the classic formula. It's just sloppy in comparison to many other Dracula titles.
We are really having two different emphases in the discussion here - one is a bit more tilted towards aesthetics and the other is more about gameplay.
I don't think Dracula XX is bad enough that it's unenjoyable (at least for me) and I appreciate the variety - not until the PSP port would there be a game with the Rondo sprites that even keeps the pretense of playing in the classic format. I never felt particularly bothered that Dracula XX isn't a faithful port of the original game, because we can't have nice things (with any regularity, at least), although it is interesting to consider how a serious attempt at porting the CD-ROM^2 game would've looked. Of course I realize the question has been framed in terms of whether it was worthwhile, but my feeling is that if you take it on its own terms it's playable, even if it has shortcomings compared to other games in the series. It has backflips and the ability to deal damage behind you - that alone is more than you can say for most platformers in the era. You haven't truly lived until you've only used backflips and walked left to get across the bridge.
The original CD-ROM game is pretty lovable about how it goes off the rails from the formula - Skeleton Ape is almost prefiguring
"real" parodies of game characters (it's Donkey Kong, u c) and many of the playful elements don't distract as much from stage design as they do in an Eeguhvaniah. It would have been nice to see more progression in that direction. I never think that we are set for classic game types, but if I had to choose I'd say go with different types of games. To Average Gamer Joe, the similarities in pre-PC Engine Dracula titles would've felt like stagnation and "the same game," because many people appreciate variety more than subtle variations on a great theme (and that's not a criticism of Average Gamer Joe; everybody likes new things).
Perhaps it helps to put things in perspective to remember that the "original style" of CVs ran from roughly 1986 to 1994, or eight years, while the Metroidvania games have gone on over a decade (depending on whether you date its start from 1997 or 2001, and its end from either 2008 or 2010, it's easily as long as the classic series, and possibly nearly double the longevity of the classic series), and the Igarashi-directed 3D games (in all their variations) were around roughly as long too (I don't know these games at all so I can't comment on them, except to question whether Lords of Shadow really is a great departure from Iga's take on the 3D formula, or the N64 games for that matter).
In short - this is Konami, they couldn't keep Slash and Opus 13's names straight. But I admit I can't, either.
BIL wrote:BTW, anyone thinking of casting "bandwagoning" aspersions: get a real argument. I'd hate to deconstruct that wagon and cram its rear axle so far up your e-ass you'd be the envy of Nocturne scarecrow cosplayers across the globe. This is war, survival is your responsibility. 凸(`⌒´メ)凸
Oh yes, Castlevania in 3D definitely needs a stun & neck-snap combo, and less playing as Dracula or Dracula's Successor or Dracula's Best Bud or whatever the hell. Dracula's Kid gets a pass though.