Knowledge Base
Apple publish a 10 point 'Troubleshooting Basics' help document for Final Cut Pro X
Apple have published a document with a lot of help links that are designed to troubleshoot the basic problems you might get with FCPX. One we would definitely bookmark.
Best practices for using Final Cut pro X with Xsan
One of the big stumbling blocks for the acceptance of Final Cut Pro X with professional editors has been its use on shared storage. Apple have published a white paper of Xsan Best Practices, it makes interesting reading.
Apple updates its knowledge base list of qualified cameras for Final Cut Pro 7

Apple have always produced a list of third party devices that have been qualified for use with Final Cut Pro. Here's a handy list of cameras including which easy setup you should be using, but that's not why we find this interesting.
Apple post how to import Sony XDCAM media into FCPX
Apple have released a Knowledge Base article on how to import XDCAM footage into FCPX. Hang on a minute though, this isn't new news is it? Or are we missing something here?
How to install FCPX and keep Final Cut Pro 7 on the same drive. The official Apple way
I think we have all realised today that maybe keeping your copy of FCP7 close by is handy. If you haven't partitioned a disk or have multiple boot drives installed, Apple have an official procedure to get both versions working.
Apple release OS X 10.6.5 upgrade
Many performance problems resolved and lots of enhancements in this new upgrade. To find out what, read on.

Knowledge Base