Kapeli has announced moveAddict (http://kapeli.com/moveaddict), a new Mac OS X app that the capability to cut and paste files (with merging folders as a bonus) to the Finder. feature to Mac’s Finder. The US$4.99 app works with the usual keyboard shortcuts for cut and paste.
A notification window and Finder file labels provide feedback at every stage. Original data remains untouched until the move gets safely registered by the Finder. What’s more, moveAddict doesn’t modify the Mac system in any way, it is just a small (5 MB) application.
moveAddict requires Mac OS X 10.6 (“Snow Leopard”). You can download a free version that allows moving one object at a time and is otherwise unrestricted.