Motor is likely to be lot more efficient than CX combined with 600wh battery, would be close to same range as CX with 700wh battery. Good enough for full day of MTBing without need use eco 90% of time.
A 600wh powerpack maybe bit much to ask for they can't change physical size as needs to be interchangeable with 400 and 500wh versions.
Hopefully there is option adjust power settings via phone app.
Expect there to be Performanceline (63nm) replacement along with 45kmhr speed version.
I'm not expecting much change from current CX 75nm, which is more than enough for most eMTBing and enough to match Shimano E8000 which has been eating into CX market share.
Still large market for current CX drive especially in cargo ebike market which it dominates and entry level MTBs. Saves manufacturers designing expensive new frames.