Quoted from ForceFlow:

I might go with a GOTG pro. I like the game, the shots, the central bash toy, the theme, etc. Not everybody likes the game, so always play before you buy if you're not sure about it.
There are HUO examples have been popping for sale occasionally, so going that route rather than NIB could save a few hundred bucks and get you an almost new game under $5k.

Quoted from PanzerFreak:

In the $6k price range I would say GOTG as well. Can't go wrong with a MBR or AFMR classic edition either at that price. GOTG has a cool interactive toy that's also a physical ball lock, kick back mech towards player, single ball lock area and one magnet. Iron Maiden pro looks cool but there's literally not a single toy on the game, it's all loops and ramps. I also think the animations on GOTG are more appealing then the animations on Iron Maiden, many of which came from an existing Iron Maiden mobile game.