Fonts
When selecting the fonts for the text, the sample of the font next to the name of the font is added.
Layers Palette
In this new version of Photoshop CS2, multiple layers can be selected by holding Ctrl key and selecting or deselecting layers need. It works like when selecting multiple files in Windows. Linking and unlinking is not in need anymore.
Adobe Bridge
It is the file browser like in Photoshop7 and Photoshop CS. It can allow user to access via other Creative Suite applications. Bridge allows user to preview, adjust, and process raw materials files at once. The processing will be done on the background while user can to other task in the Photoshop. The new features include the scalable thumbnails, new types of review mode, and improved labeling and rating.
Others
Photoshop CS2 is also improved to have faster application startup speed and thumbnail generation speed for JPEG and RAW images.