This page has links to all the useful sites I find for the Unreal 3 Editor (Gears of War):

References:

• UE3 Hotkey Guide (you'll find an MSWord document on this page that's really handy to print out and tape next to your monitor)

Links... to other links:

• http://gearsforums.epicgames.com/showthread.php?t=583707
  
• http://forums.beyondunreal.com/showthread.php?t=177651
• http://www.unrealplayground.com/forums/showthread.php?t=48153
  

FAQs:

• http://www.hourences.com/book/tutorialsue3faq.htm
  
• http://www.unrealplayground.com/forums/showthread.php?t=48251

Tutorial Sites:

• http://www.icecreamyou.com/ut3
  
• http://www.avld.org/pages/tuts/tuts.htm