While those prices are cheaper than I expected, I'm not seeing much there, in the range of 4/5/8 (FULL) ports for 10GB-Base-T which is what's going to be benficial to SOHO / home.
I realise this site has a lot of Sysadmins and high level tech guys, but there is that middle ground of the homelab people with a more limited budget and general home enthusiasts.
Check this puppy out for example
Enterprise Switch – TWin Advanced Technology Corp.
"Cheap / Nasty" Chinese product, but, that being said, that's not a bad thing for a basic, dumb, fast switch.
When things like this are (finally) being produced, you'll start to see wider adoption from regular players.
(This is extremely reminiscent of the "Mototech" first 100Mbit ethernet switches which came out 20 years ago, cheap, Chinese, but nothing else came close to them - suddenly 100Mbit ethernet was viable for the home user)
EDIT: To be clear, if there was an 8 port, standard ethernet 10/5/2.5/1Gbit switch that was under $400 I'd certainly not have an issue with 10Gb support. All my runs are under 25 metres. However, the price / heat, it seems unlikely it'll happen