Tony Blanchette wrote:

Looking for comments regarding a Dewalt planer upgrade to either 

helix or spiral cutter heads. Which brand did you choose and what might have you done didifferently?

I did the Selix.  It’s been great  amazing finish especially if you take a fine finishing cut. Install weren’t well. Took a couple hours. Lots of steps. I got a washer in the wrong location and it created a lot of vibration. Got it straightened out and all vibration is gone. I think it’s worth doing