New utilities named Screen Captures has been release.

Key Feature
-Supports three capture modes(Full screen, Window, Selection).
-Supports capture the cursor within full screen capture mode
-Supports delay capture within full screen capture mode
-Supports do not capture the shadow of the window within window capture mode
-Supports capture toggle between mouse selection within selection capture mode
-Supports capture to PNG, PDF,JPG,BMP,TIFF,GIF file
-Supports email 
-Lion compatiably

new version 2.0.1 has been release
-change app name to Screen Capture X
-fix some bugs

PS:If you have a "hash mismatch" error on updating please delete your old "/Applications/Screen Captures.app" and try it again.

http://itunes.apple.com/au/app/screen-capture-x/id461362385?mt=12