You’re right about 650Mb discs working properly and also correct about 700Mb discs exhibiting problems - it’s not the brand of media - it’s the the 700Mb spec … read my longer post in this thread:
Stick to your 650s - and build a stockpile if they are getting harder to find (definitely my experience - and I’m not talking the overpriced 74min “CD-For-Audio” discs, rather, just good 74min CD-Rs!)
It is actually a belief of mine that CD-R74s have been intentionally made scarce (or too expensive), as 80min CD-Rs are not audio spec and many people do experience your exact problem - problems finding TOC, skipping, difficulty finding the tracks on scan etc etc - and thus when these problems show-up burn after burn after burn, people may get discouraged from copying audio CDs “cos it never works”, and maybe go out and buy them, so the CD does work glitch-free … just a theory, but I feel there’s something to it …
But what is fact is that 74min discs are audio spec and 80min discs are not - as you will have read I co-own a professional recording studio - part of my job is to hand the client a master disc that the client will not bring back and say “this doesn’t play properly!” I would never hand them a CD of their work, whatever level of their accomplishment, even burnt at 1x, on an 80min disc. Not a chance. And yes, I keep a stockpile of 74s!