You're a good guy Uzo but I don't agree. I consider them both remakes because that's what they are, and that's what Konami considers them. I suppose that I am in the minority in that case because I imported Rondo. I remember the chores I had to do to get my dad to order it for me, and the nights I stayed up glued to the screen playing it, confined by the 4ft cord the turbo duo controller had. I ended up selling the duo 4 years ago on eBay. I got $400 for it and used the money to get a PS3. But I kept rondo because it has sentimental value.
I'm not kidding and certainly not lying about my Castlevania collection. It includes games even rarer than the original rondo of blood. Perhaps I should post a picture if my credibility is on the line.
Anyways, a re-release is a re-release. I'm talking about a new game here with new everything. I'll agree that Adventure Rebirth is quite different from the gameboy original. But to me, someone who grew up playing these old games, it doesn't suffice to call them complete new classicvanias.