My overall feedback is positive.  I am enjoying the chair, and we hope the chair lasts for a long time.

Here are my thoughts.

Firstly, the leather is great.  After a few "sits", there is already signs of the leather working in; especially the stress points between buttons.  I expect this to further as the chair gets older, which will only add to its classic look.  The leather also echoes your websites commentary relative softness, feel, etc.  Well done.