Basically this generation of Indian quicks just need to keep performing for another couple of years to all make the Indian side ahead of all other quicks except Kapil.
As far as ATG sides go, picking anyone over Gilchrist is highly contentious. He was good enough as a keeper and way better than the rest as a batsman. And good enough as a keeper is usually enough. Keeping skilled are asymptotic - the value of a better keeper is diminished the closer you get to the perfect keeper. What is the difference between one dropped catch every five matches as opposed to even seven matches?
The only two locks IMO in an ATG XI are Bradman and Gilchrist. Smith looks on his way there too but let's give him a bit longer.
Marshall is the closest fast bowler, though McGrath and Steyn aren't that far behind.
There's realistically only two choices for spinner.
The difference between the Aus ATG XI and other teams is that it contains the only two locks and has players pushing for every other position (barring *maybe* the openers).
WI, England and SA are missing a top tier spinner, India are missing a bowling attack away from home, Pakistan don't have the batsmen and New Zealand and Sri Lanka don't have the depth.
Having said that, one of the beautiful things about cricket is that you can have all the talent in the world and still not succeed. I remember seeing a first class batting lineup batting card from the 80s where a batting lineup that contained Kepler Wessels, Greg Richie, Allan Border and Greg Chappell get dismissed for less that 100.
https://www.espncricinfo.com/series...tralia-vs-queensland-sheffield-shield-1982-83