Revamping the Rating System

Mods;

Have you ever though of re-doing the rating system? For example, instead of using 1 - 5, use 1 - 10? There are a lot of poems that I have read that fall on the borderlines. Using 1 - 10 would allow me to post a 7 or 8 for a poem I really liked but had a few items to suggest to the author.

Any thoughts?