I was just speaking with their customer support about this and it appears (if I understood correctly) that this offering will be replacing the current CX line, which has a lot of SSD space at a competitive price (unlike the new offering). Since I really need the SSD offered by the current/previous CX line (it was the #1 reason that made me move to Heztner) it seems that I'll have to find a new cloud provider...

My experience with Hetzner is/was great, but as a customer it's impossible to rely on a service provider that extinguishes a whole service line in a few months and forces me to move a whole infrastructure at a whim...