UI element libraries can be really helpful - especially when the deadline is TIGHT. The good folks over at Web Design Ledger have gathered a great collection of 12 free PSD UI libraries - take a look and see what you think - they're free, did we mention that? >>
Another freebie download from DesignModo... as with the GUI Elements, you do need to tweet about this to get the download. But again, it's free stuff, so no biggie. Thanks for sharing this DesignModo.