Having a look at the new Goon v1.5 and doing a comparison against the original v1.0.
Features and specifications:
24mm
larger build space, vertically and horizontally than the Goon V1
cyclops airflow
domed interior top cap for better flavor
half inch drip tip
wide bore drip tip
standard 510 connection
stainless steel bridge post
stainless steel clamps
gold plated brass 510 pin
stainless clamp screws
hybrid safe
peek insulators
positive and negative bridges are easily replaceable
Package Includes:
1 x set of Allen key screws
1 x Allen key tool
1 x set of hybrid Phillips/flathead screws
1 x stainless steel squonk pin
extra o-rings