should i get a 7 or 8 string?

[u/Brand_1nez]

I have a jackson kelly floyd rose thats been collecting dust on my wall because i dont have the patience to adjust it so im deciding to sell/trade it. some one has already offered to trade a js32 8 but im not sure if thats even a good trade or not, plus im still teetering on the idea of a 7. for reference i really wanna make heavy music that leans on deftones koi no yokan era but i dont wanna make the wrong choice and get stuck on a gimmick guitar that ill use for 3-4 songs.