Ok, thanks for your answer.
What do you think about the DDE-O V2 of Trianglelab in link before ?
I like the compact design, it’s light, bimetal heatbreak insteed of the allmetal, 3dtouch of TL direct mount and it would be a good extruder for me 
And this nozzle for print at 100mm/s with good flow BondTech Buse CHT Laiton Nickelé M6 x 1,75 mm - 3DJake France
