do you really need Cydia???
is Cydia just like Installer.app...... for 3rd Party Apps??? and if you don't care for it can you not install it?
i read somewhere in this forums that when you use the Pwnage Tool 2.0.1 through EXPERT mode and don't make any changes, it is the same as SIMPLE mode, but it fixes some problems. i didn't quit understand everything, but i did the EXPERT mode and Unchecked the Cydia (as this is where my iPhone 2.0 FROZE the previous time i Pwnage it).
let me know, anyone, if that was okay?