I think of my ex-watches much like I think of my ex-girlfriends. Fun while it lasted, it ended for a reason. I might sometimes think fondly of them but ultimately, no regrets.
As for the AT, I agree the 8500 series with the date surround and brushed bracelet was definitely the best. I just bought one recently, in black and it’s away at Omega getting a service. That particular model has been my humble grail since I got into the hobby and I can’t wait to get it in hand! Judging by what people have said about these experiences, it might turn out to be a disappointment but I guess it’s a rite of passage!