The new dual kits, are they one PTFE one all-metal like the betas? Lot of my printing is in nylon and PC, I'd like to keep the ability to push 260 and beyond comfortably before committing to the purchase. Also, looks like nozzle changes would be... discouraged on the hot ends, is the recommendation...

The new dual kits, are they one PTFE one all-metal like the betas? Lot of my printing is in nylon and PC, I'd like to keep the ability to push 260 and beyond comfortably before committing to the purchase. Also, looks like nozzle changes would be... discouraged on the hot ends, is the recommendation ...

When the dual extruder upgrade is released, will it come with two v4's or just one? Given the utter lack of extruder failures I've experienced, I'd prefer not to pre-order a single V4 and have a spare extruder left over when I order the dual.