We've come to an agreement on the implementation of the ISO kit.
QTY - ITEM
1 - JRet
2 - Blank 1x Row 4 (Top row is 1, bottom row is 4)
1 - Blank 1x Row 3
1 - Small Left 1.25x Shift
1 - Small Right 1.75x Shift
This will add compatibility for most common ISO layouts (Sorry for those wanting legends on specific keys, but I don't think it's a viable/beneficial to everyone as a whole). This should cover the ISO needs of most people, I don't believe I've missed out any keys.
The other main group this should help out is the Noppoo Choc Mini crowed, who need the small right shift and the extra blank bottom row key/keys. Unfortunately It won't cover the ScrollLock,NumLock,SwitchLock,Pause/Break,PgUp,PgDw keys, but if you are ok with wrong profiled/legended keys, the base kit+ISO should cover most of them.
This kit should also get more keys for the Japanese ISO (Not completely covers the layout, but I guess It helps out a bit).
I will update tonight with some nice images of the ISO kit and Numpad. But first I must put in a hard days work/study.