Wow the Mary looks great
I've always been put off this cage after reading of someone's experiences with one on another forum last year - they said the ends of the bars were sharp enough to cut and they ended up sending it back. I'm assuming you haven't experienced anything like this?
What about bar chewing? There are some lovely bar cages (usually rat cages) out there but I'm very limited as to which of my hamsters I can use them for - due to the dreaded bar chewing