Why not? If you take you own sweet time, your rig will slowly evolve into something that will check all boxes eventually.Only 9 years ???
IIRC, you mentioned a split of 80:20 favoring music. If so, what @amrutmhatre90 suggests is a viable idea.
Get a decent soundbar for TV/Movies. And an IA + speakers for music. Add a sub later that can cater to both soundbar and IA.
It will work out cheaper since you don't have to worry about AVR at all.
Amps and speakers keep coming up for sale on the forum regularly.
Cheers,
Raghu