I just installed the upgrade kit into the prototype GNR I have here.
It took more time to remove it from the box than to put it in the machine!
All the components were well marked and the instructions were easy to follow.
All I can really say is, OMG this is the best sounding pinball I have heard!
It is a must for all machines really, I cannot wait for Mark to find my other kit for my Getaway somewhere in theboxes of his factory....
Overall I would suggest everyone to buy a kit for there favorite machine and see how it changes the gameplay for them.
Cheers Angelo