From The Auri Group:
Internet Explorer to PSP (IE 2 PSP) enables you to put your IE favorites on your PSP for use by the PSP Web browser released in firmware version 2.0. It can be tedious to enter all your favorites using the PSP s on-screen keyboard. Luckily there s an easier way to get your bookmarks onto the PSP. Using IE 2 PSP, you can export your Internet Explorer favorites file, and then add them to your PSP s bookmarks in a few simple steps.