If it had vocal harmony, displayed text, had break/fill and a few other missing features, I'd probably have kept mine.
let's see......you could always if needed use a TC helicon VH box,....Laptop for lyrics etc I never leave home without Two of them,, ....a host of gear workarounds are always needed for any brand keyboard depending on your performance scenario & situation to make it work for you. That said the fact that you mentioned that you would of KEPT the EA7 says volumes about the sounds & styles which after all is the heart of any arranger kb...