I'm guessing it's close to launch date now.
I am going to buy a new scope soon, and I noticed that the Siglent SDS1104X-E now has a 10% discount, both at Eleshop, Welectron and Batronix. At first I thought it was because of the Rigol 12-bitter, but it's more likely it is to give those shops an opportunity to lower their stocks of the old Siglents before the new Siglents arrive.