From build 2390 MC have a new File Already Exists dialog
This is still work in progress
New 
  + Show thumbnail for images for and icons for other files.
  + For .exe files it will also display the version information
  + Layout changes all Single files option are on the top row. The ALL files options on the bottom row
  + New Option  "Overwrite if size differs"
  + Commands have changed from Replace, Repalce All and such to Overwrite and Overwrite All.
TODO
 * Texts can be translated yet. Since they are not finialized.
 * Add "More" button with more option fo "All Items"  like Overwrite all smaller , Or larger . or other ?? YOu have any suggestion? let me know
 * Tool tips for the path row so entire path is shown if very long
 * If you have any idea of other improvments for the dialog. let me know ASAP.