Sony have released the latest firmware for the Vita. It is version 2.10 and includes the following:
Create folders to more easily manage your favorite application icons on the home screen, with up to 10 icons in each folder and a maximum of 100 on the home screen (including icons inside the folders).
Verify which PS Vita card you are using by looking at the home screen’s info bar. You can also save the layout of your home screen icons in the memory card.
Added video support allows you to play videos within the browser (memory card required; some videos are not supported).