Congrats on getting married.
Remember the partial reason for doing it: You get one more rack to play with for life
I like your setup cause it is also easy on power-over-time and its quiet so if you two move in or live together in cramped spacing, then noise and the constant hammering of the power bill can take a toll on stressfull times.
I have a colleague who had to sell his personal server because of wifeys ultimatum so now he has a laptop and spends according to himself, "way too much on Amazon AWS!"
I am sooo blessed with having Azure and IBM partnership stuff that keeps me afloat till I get my own.
Did you pick a 1537 over a 1540/1541 because of availability or power reasons?