I'm looking at getting a DS 61or 76 soon to replace the Korg pa600 I sold a while ago...a move I now regret. But I notice the DS 61 has been around since 2015 and I'm wondering if Roland has plans to upgrade or otherwise change it in the near future. I'd rather not get the current version if a newer model is in the works. Has anyone heard anything about an upgrade coming out in 2021? Thanks.