I always said I'd know I'd 'made it' (whatever that means!) When I could go to M&S for my weekly shop!
DHs made it moment is when he can wake up on a spontaneous Saturday and decide to take us to Paris on a whim! (We are in UK)
Obviously his more exciting than mine but I guess for both it's about having enough disposable income to not feel guilt about 'luxury spontaneous' buys!
What are yours? Achieved? Gave you the thrill you thought?
(Ours as yet unacheived haha!)