when can I get Xbox Series X

Not really...

Xbox Series X games / upgrades / updates has to be installed onto the Series X internal or expansion card SSD,

You can have Xbox One games on your external hard drive that will get an Series X upgrade but the games will need to be transferred to the Series X and then the Series X upgrade will need to be downloaded onto the Series X SSD,

As an example...

I have Marvel Avengers on my external hard drive that will get the Series X upgrade and I will transfer the game over to the Series X SSD ready to download and update the game to the Series X version when available.

You could have a look at the deal xbox are doing where you get an one X then upgrade to the X Series when it comes out.

Really depends on your finances if you can afford it get an X then go to the X series

The All Access is so you can get an Xbox One now and then upgrade to a Series X when it's released basically. So you wouldn't get the option to purchase the Series X yet.

I take it you have an original Xbox One? Just trying to work out why you need a Series X/S for 4k play?

As to finding a Series X, best bet currently, as noted above, is via All Access (or being very quick when stock notifiers say they are in stock at wherever)...I got one a couple of weeks back via All Access in the UK

scalpers are scalpers, they are there when there is a shortage on any gadget or item you could think off.

ps5 is like rocking horse doo doo too.

i have an rtx 3080ti on order but im going to be waiting a while as i refuse to pay what scalpers want lol.

but the global shortage of chips is hitting everything from phones, kitchen appliances, cars, computers including these budget pc's (sorry consoles).

yes a lot of people do have them but there are a lot waiting for them too.