Punchcut developed a base of useful design tools that present visual concepts and facilitate the conversations that get the design moving. Here, we’re sharing those tools with the goal of fostering a culture of good design, and expediting the process of getting quality UI work off the computer screen and into users’ hands.

Pixel Proliferation: A Toolset For Managing Screen Resolutions

This is a Free iPhone Template (PSD) with 5 different angles. Reflections, shadows and glossiness can be adjusted and the display content is the same smart object for all angles.

Version 1.0 of Designmoo’s iPhone 4 GUI PSD is here!

This PSD is formatted for Apple’s retina display at 326 dpi and includes the majority of elements in iOS 4.3.  We tried to make this the most comprehensive PSD available and will continue to add additional assets to this massive PSD. 

I Have PSD | ihavepsd.com

Now in its second iteration, this version of the iPad GUI PSD has been completely redesigned from the ground up. Based on the recent 4.2.1 update, it includes all the elements you need to design proof-of-concepts or production ready assets. (via iPad GUI PSD – Version 2 | Teehan+Lax)