I'll start saving, not going to be cheap I think.
Yes, there's one coming up on July 4th 2021 which will also be known as American Civil 'Have a nice' War Day.
This is the cheapest I have seen an 1800x but the 2600x is available for order at under £200 and the 2700x for £290 and both of those come with coolers. A half decent cooler for the 1800x will be £30? maybe, so £260 vs £290 for the latest release.
Anyone know of any good deals on time machines?
It probably won't be dispatched, but: https://www.hotukdeals.com/deals/crucial-4gb-ddr4-2400-ecc-288-pin-2899-amazoncouk-2926993 It's only 4GB dimms, 2400 clock, and a very loose CL17 timing. However it's ECC, and single rank, and given that it's not a typical consumer SKU and normally has higher than average price, it *might* have Samsung b-die chips on it. Honestly it's probably not worth scrimping if it's going to compromise your build; just eat the extra £50 cost of getting known 2x 8GB 3200 b-die.