I got a Note9 512GB (I really like the massive storage space and store lots of movies, TV shows, etc on my phone) last year and was considering upgrading it to a Note10, but I can't see any reason to do so:
To get the same storage size I'd have to go for the 5G Note10+ which carries a £100 premium over the 4G model for no benefit to me (5G coverage is unlikely to improve much where I live in the next 12-24 months)
On top of that, it has a cut-out for camera (I much prefer bezels to cut-outs / notches / holes, etc) and loses the headphone jack (which is useful when flying as bluetooth is switched off in Airplane mode) and VR compatibility for the dubious additions of a motion sensing s-pen and 3D scanner
I was a bit undecided anyway as my Note9 is still a beast and works really well but I watched the launch event which left me feeling distinctly underwhelmed and time hasn't improved that feeling - it really is a "meh" release for me!
I'll see what Apple come out with in September but I strongly suspect I'll be keeping my Note9 and iPhone SE for at least another year...