2002 D2 S8 Purchase

[eng33]

Hi all, been many years since I’ve been on here, was a previous member back around 2012, when I owned my Aqua Blue low mileage 2002 D2 S8. Of all the cars I’ve had over the years this car was the one I regret selling the most!
So I’ve been on the hunt for a while now for another S8 (ideally a FE but not that important), but has obviously now got very difficult to find that ‘perfect’ car.
Before I get too into it, as I’ve been out the game for a long time, could I ask what parts supply is like nowadays for these cars? ie things that will always need attention on higher mileage cars such as suspension arms / bushes, road springs / dampers, brakes, steering racks, and all the usual service items.
Not too bothered about genuine Audi parts, I guess most of these are now obsolete anyway?
Many thanks.
Andy