This one is sort of a mix of old and new. Matt Marczel says he "was inspired by the old Cinncinati Swords of the AHL during the '70s" for this concept. Their classic look would still work today. But then so would Buffalo's original jerseys from the 1970s. If only they could lose all the extraneous silver piping and fix the blue.
For reference, here's a look at the old Swords jersey.