Google Personalized Homepage has added a new option: you can now minimize the modules (gadgets). This is useful if you have many modules or if some of your modules contain personal information and you don't want others to see it. Google has changed the design for the close button and for the edit link. You can see the previous design below:
Sites like Netvibes had this feature for a long time, and it's a rather obvious addition as modules are simplified windows that contain a small quantity of information. Another feature that should be added to Google IG is tabs, so you can have more than one personalized homepage.
Google Personalized Homepage also shows featured modules, a way to discover new content. It would be nice if Google's recommendations were personalized.