Photoshop Replacement Icon

Worked on this for a long time today and i spent a lot of time on it so comments/critique would be appreciated.
Also it would be appreciated if you could post a link of these in use.
Would anyone be interested in a set?

Download in PNG format here: http://dl.dropbox.com/u/23884690/Photoshop%20icon/Photoshop%20icon.rar