Freeplay has updated the RSS/XML reader for the PSP, heres some of the info from the readme file:
The new version allows you to enter in your own list of RSS feeds, download them all, and save them to a text file. It also allows you to choose how many enclosures to download, and whether or not you want to download them with the feeds.
To set up the program:
1. Create a folder for the enclosures: "X:\PSP\MUSIC\pspRSS", where X: is your PSP's drive letter.
2. Copy the "pspRSS" folder into the "X:\PSP\GAME\(LuaPlayer Folder here)\Applications" folder.
3. Create your config file, in this format: