I bought a new hot-end, the J-Head IV-B (4b), printed a new extruder 'cold-end', the Greg's Wade Reloaded version.
(photo of reverse view. You decide which is the back/front!)
There's lots more to be said; detail on why I chose what I did and detail on the assembly process. I'm a fan of insulating the heater block as the keen observers will spot. I've a lot more photos and descriptions to post, but for now I just wanted to get the blogging back under way!
Thanks for viewing!