Here are some interesting postings from the web you may or may not have missed –
From Apple…
http://docs.info.apple.com/article.html?artnum=300233
iPod and iPhone: TV Out support
http://docs.info.apple.com/article.html?artnum=306904
iDisk: iDisk Syncing takes up more hard drive space than expected in Mac OS X 10.5
http://docs.info.apple.com/article.html?artnum=306877
Mac OS X 10.5: Only installation option may be Erase and Install
http://docs.info.apple.com/article.html?artnum=306297
About the Mac OS X 10.4.11 Update
http://docs.info.apple.com/article.html?artnum=306062
iDVD versions not compatible with Mac OS X 10.5 Leopard
From Mac OS X hints …
http://www.macosxhints.com/article.php?story=20071103144536447
10.5: Install a number of bundled screen savers
http://www.macosxhints.com/article.php?story=2007110216041857
10.5: Create multi-page PDFs from images in Preview
http://www.macosxhints.com/article.php?story=20071031232408602
10.5: Drag and drop and toggle hidden in app switcher
http://www.macosxhints.com/article.php?story=20071101114025256
10.5: Apply image filters to Address Book photos
Enjoy!