I’d go with Chris’s 330mm suggestion further up the thread.
Depends ultimately how you want the car to look, and to drive.
thats indeed closer to what i was aiming for. 
its just the unexected ‘settle’ thats caught me out. not had anything dropp this far before.
oh well… fun
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What i should also probably do, is a quick review on the YRS and Rollbars…
I havent yet been able to use them in anger, due to first waiting for wheel alignment. then settling. now rubbing. and also all ive had last couple of days is rain so wet roads.
Even with that: the bodyroll is neutralised. certainly in dayllight. at nighttime with the adaptive headlights it feels like you are still rolling to the eye 
There is however still enough bodyroll that you can feel what the car is teling you. its not rock solid.
the springs are(were) very stiff! BUT i have noticed they have gotten much softer very quickly when going over the same roads. this probably aligns with the fact that the springs have dropped a LOT since fitting. so i may need to reserve final judgement.
*please note on this, this isnt me getting accustomed to them, this was a stark difference of being unable to talk properly due to the heavy thuds on a flat roads when i drove home from the garage, vs now being comfortable.
In terms of cornering, the amount of mechanical grip now is huge. the outside wheels are no longer being overloaded with weight transfer and its very easy to feel what the car is doing into a bend. very, very sticky. **and this is in the wet!! its far improved. in the dry i think im going to be finding my own limits for a while before finding the cars.!! (bloody good!)
also in the wet, on a tight bend with some throttle ive had all 4 wheels break traction. (on purpose). its very predictable and the front and rear break roughly together, assuming consistent throttle/speed, meaning its a slight bias to understeer and a need to counter into the understeer if you wish. or a gentle throttle blip to turn the rear into the turn to get the traction back.
I am very happy!
Also with the ride hieght as low (too low) as it currently is, i am having no issues hitting bumps/underlations at speed. no rubbing on a straight forward compression/decompresison. springs and shocks dont have huge movements there. the arches have the space.
*Edit.
Just to note. ive got all 4 corners of the shocks running 10 clicks down from full stiff. so i think about 23/33 setting. i will look to adjust once everything is more normalised to fine tune