It looks like I made a mistake....buying the Siglent after all....
Although the videos were not about the oscilloscope, I could see that it has a better screen although
it looks like that you cannot switch off the right and bottom menus off. The build quality looks ok as
well. Since he was working with transients and he was happy with the scope its definitely faster
than 2000wfms/s. Maybe not as good as the Rigol but for the price definitely better than the Siglent.
I also liked that you can easily select which measurements you want to see in the bottom of the
screen. I haven't found yet how to do that on the Siglent. You can only adjust the 5 values displayed
on the right. If you press the default setup button, it will display some values like the UNI-T but they
will disappear if you change any other setting.