This Easy Installer copies only the necessary files according the type of your PSP. So, if you have slim it doesn't copy the 1.50 kernel, otherwise it copies it. You don't have to worry about spare files and what exactly to do. Read more
Release notes:
My new utility teleclip takes two arguments: a name and a phone number. It creates and loads a new webclip using those arguments, e.g. teleclip “Steve Jobs†“408-555-1212?. When tapped, the webclip launches Safari and asks whether you want to continue making the call. I’ve put the utility into the Erica Utilities folder but it’s not yet part of the general distribution. Read more
UIct provides an interactive GUI for launchctl. This allows you to load, unload, start and stop daemons without resorting to the comand line. For experienced Unix users only. Read more
appLoad simply makes your Home screen update when you add a new application or WebClip without having to restart SpringBoard. It uses the new on-board Nikita mechanism. Read more
Banner updates the time string at the top of your iPod or iPhone rather than the carrier name. Same idea, but different part of the screen. You can put more text on the screen with Banner than with MIM. Read more