You'll like the Mayfair, TC.
Arbutus is great and so is their other place Wild Honey just of the Row.
Both qualify for casual/fine. The cheese selection at Wild Honey is usually
![icon_gu_b_slayer[1].gif](http://files.styleforum.net/images/smilies/icon_gu_b_slayer%5B1%5D.gif)
Head up through Marleybone and check out here:
http://www.lafromagerie.co.uk/ good for a light lunch etc but must see if you at all like cheese. If you are into walking- you can easily hit Marleybone walking between Mayfair and Oxford St.