@jjss49, nope. The next reply is in 2023.
I have had an ET3SE and the ET5. Bought both used; $1,800 for the ET3SE and $4,200 (new/demo) for the ET5.
I did an A/B comparison and I think the ET5 is the best bang for the buck. It's hard to make something so subjective a linear equation, but the ET5 costs 2-3 times as much as the ET3SE on the used market, but it sounds between 5 and 10 times better; clearer, more defined soundstage, etc.
Now, if I didn't have 2 kids going to college I would be looking at a now-discontinued GAT2...