warmer and fuller are not necessarily what lomc carts bring to the table. you will get a cleaner, more refined sound which is abig step up in quality from most mm cartridges. also because of the lower moving mass an mc is typically more dynamic and full of life and musical energy. think huge crescendos and fast musical transitions.
many people who want warmer and fuller sound have system issues to fix and are trying to mask a lack of refinement. start with perfecting your speaker positioning.