First, I want to congratulate to metroidquest for such an amazing game, He not only finished this game but he is also improving it.
As you have requested for suggestions these are what I have to ask for:
a. So you are adding another weapons now, I think you could add the rest of the original five weapons, since the holy cross is a passive weapon you can make it available too.
And the clock could be a present from anyone in the towns(it could work for 3 seconds and be uneffective against main bosses)
b. About the text there is an awesome hack for original Castlevania 2 by Bisqwit on romhacking.net that hack contains a retraslation of the text which makes the game more sense (that original text was very difficult to figure out) so how about using that text which has very high fidelity to the original japanese text.
c. This is my personal desire how about Simon with Death & Dracula with Simon talking before they battle, and Dracula finish saying "But enough talk have at you" that phrase makes me nostalgic hehe.
d. And you dont have to replace the original game you made, because 2 modes to play the game would be better such as ORIGINAL MODE and REVAMPED MODE so the 2011's could be the ORIGINAL MODE what do you think?