I'm only going on information I've read online as I've not seen the original Japanese versions, but if this information is correct then they should be different enough to interest you.

It would also be interesting to know what you think of the American remakes. How good you think they are compared to the originals and if you think they captured the ideas and emotions intended.

I'm going to try the Ju-on originals to see how they differ. Will be interesting to see if our views on the two are the same.