oval string

Hey everyone, just a quick question to throw out there. I am currently intrigued by ISOSPEED Rexxxer and StringLab's Orbitour, just to try it and see how they play, and I was wondering what exactly would an oval shape string do. I do not see the obvious benefit for it and assume it's more of a...

From Isospeed website: A different approach for sure. I´ve never heard of oval poly. It is also quite expensive.