both are pretty much equally easy to install custom firmware on. but with fat psps u have more options on downgrading, but its all based on firmware. personally i would go for a fat psp cuz i dont like the way the slim feels...wtf is up with the upside down memory stick slot?










-UNBRICK(PANDORA)
-3.71m33-4-3.90m33-2-3-4.01m33-2-
5.00m33-2-3