Any cases come to mind that seem like they should have been easy to solve but for various reasons weren't?

mikewho, this topic has been discussed in many previous threads. If you use the "Search" option and type in key words, you will find threads like these: http://www.sitcomsonline.com/boards/search.php?searchid=2790978

The link's not working :(

However, I'll try and do a search as suggested :)

That sounds good. I will do that