If you've ever wanted to swap out the lame d-pad for an analog control stick you're not alone. Thankfully the folks at Engadget have posted a tutorial
showing you how to add a better control scheme for your PSP. The tutorial is not for the weak of heart as you'll need to to do a little light soldering as well as having to work through the entrails of your PSP. This will also more than likely void your warranty.