be sure to wipe the screen with a microfiber cloth when reinstering the logic board into the ipod... there's nothing more frustrating than that piece of dust behind the glass...

if you're upgrading the spinning hard drive with a cf card, i would suggest putting double-sided tape on the back of the cf card to keep it from rattling inisde the ipod and possibly disconnecting itself

there is a capacitor (c78) that is prone to breaking due to the facts mentionned in the comment above if the logic board is not carefully insterted, it can break and your clickwheel stops working and you probably don't want that... i had to buy a entire ipod mini logic board just because of this