They had a new pedal in the works according to the Facebook page but Im not sure if it'll be ready for NAMM.
As for the difference with Marshall owning them it appears there is very little difference. There have been some really positive stories of Marshall going above and beyond to help some people with their Edens but as far as I can tell, in North America its not any different.
The build quality on any of the new stuff is excellent in my opinion. I've had all of their new products and inspected them closely. I've used them on many gigs and been very pleased with their sound and versatility.