I have had the Cavalla and Cocoa River. I think I like the Cocoa River a teeny bit more; it tastes slightly more chocolatey to me. As far as "mouth feel"... well, I guess I'm not enough of a snob or have a sensitive enough mouth to tell any difference! Both are excellent!
You make your choices, and you live with them. In the end, you are those choices.
"Strength is the mental and physical fortitude to endure, resilience to bounce back, and force to create change, allowing you to thrive in any circumstance and through any adversity." TrPAssassin