It's good that the starting problems appear to be improving. But I agree with Naki that it could still be coil packs giving up as they didn't all quit at the same time on my 3.2 litre. I just bit the bullet and replaced all 6 on mine at the same time. Made a world of difference, plus just made the car more enjoyable knowing that such starting problems were (most probably) no longer an issue. It's been perfect for a few years now and my car lives outside in all weathers and stands unused for weeks at a time sometimes.
Nice new photos, by the way. It's always a pleasure driving on your super-smooth Dutch roads. Long live ZOAB! The reduction in road-spray during even the heaviest downpours compared to most other countries' roads that I've driven on is really noticeable. I wish we made "proper" roads like that here. I'm pretty sure cars in the UK must go through suspension components more frequently than in places with decent roads
Good luck with sorting the rest of your car's issues. It sounds like it's benefitting from more regular use.