I'm in UK still waiting.
If you want to you can download and sideload it:
I'm going to wait and try and grab one of the beta slots personally, but we have options at least.
The Beta for S10/Note 10 looks to be imminent for Uk, Android Police states customer representative gave a date of 21 October for the Note 10. They mention it will be available in China, France, India, Poland, Spain, and the UK "in the near future"
Another article say beta will be for more market
The lack of a "Coming Soon" banner in the UK Samsung Members app, would suggest to me that it won't be happening tomorrow or Monday here..
Maybe Samsung mods can comment further now?