Thanks for getting back to me, saves me wasting my time I will go for dual boot.
I see someone has done an image to make easier to go between stuff
recalbox-kodi-dual-boot-images.html
So will give that a go.
Yes recal box cec works great with my sony tv. I literally switch the pi on, it switches my tv on via my yamaha AV amp and I use tv control.
I only plug controllers in to play games when needed.
Gauntlet with 3 wired 360 controllers works great !
Thanks from the UK !!