Never held a Shadow.
I own the Jericho.
Pros:
very steady because of the weight
nice grip
I like double/single action with decockers
good tactical look with black finish, rail, sights
smooth tigger in both da/sa
mags go in/out really fast and slick
con:
single action trigger is creepy and not very crisp
I have had 7-8 jams with remington ammo in 250 rounds
the hump at the bottom of the grip is a bit much
almost no slide to grab with the inverted slide rails and decocker - at least I havn't accidently decocked the gun when racking the slide
decocker is impossible to use when having a firm grip on the gun - I need to shift my grip dramatically to flip it on and off
I can't use the mag release without shifting my grip