I require a unique logo designed for a Gourmet Burger Restaurant (indie rock style)

Information for the business: Gourmet Burger Restaurant
Industry: Food and Beverage
Type of logo: Emblem
Brand name/slogan in logo: Camden Burgers
Number of revisions: 3 - 5
Ideas for the visual style: Indie Rock theme
Where the design will be used: Restaurant shop front, and everywhere else!
Extra notes: I need something unique and not from a template! The restaurant is called Camden Burgers and the theme of the restaurant is indie rock and is located in Camden Town in London (A very rock orientated place!) and needs to blend in with the culture there. The restaurant will be serving gourmet burgers and I guess it will be similar to place like Dirty Burgers / Hard rock cafe etc...

I have attached a couple of logos which we like the style of but by no means want it to be exactly the same as!

The logo will be used on the shop front so I guess thats something to bare in mind with proportions.

I will also require the PSD / AI files at the end.
Any questions, let me know.
Thanks,
James