Dark & Shiny UI Kit,
The Dark & Shiny UI Kit design is professional and modern. PSD has been layered, named and organised properly. You can re-size the boxes to whatever extent you want as these are made of only shape layers.
Font Used in Dark & Shiny UI Kit- Gudea http://www.google.com/fonts/specimen/Gudea - Damion http://www.google.com/fonts/specimen/Damion
both are google web fonts