The sonic mini 8K shows up as $599 when I click on it. If you get $100 of by signing up for prime then you just spent over $100 for prime. (think it is $129)
The Elegoo Saturn 2 has a much bigger screen. So only 28 microns, but huge a$$ screen. I'm pretty sure the Sonic Mini 8K is the only printer that uses it's screen. The Elegoo Saturn 2 is the same screen as an Epax E10 and X10. EDIT Saturn 8K also has the same screen just not as tall Z rail.
Sonic Mini 8k is 165x71x180
Saturn 2 is 218x123x250