Other than for a potential price drop (based on past trends imo unlikely), I doubt there's a reason to. Unless the big new thing is color, the noticeable difference will be minimal to nonexistent. On the flip side, there's also the used market.
PS The Libra's pretty good. My wife just bought one. It's a little faster than my 2014 H2O and it can produce weird ugly orange lighting, but the buttons and slightly better DPI are frankly the only things worth mentioning. I think @NiLuJe is wearing "ooh, ain't that a new fun toy to play with" glasses.
