i know what you mean headache....everytime i watch an episode i find so much more in it and i want to add it to my top 10...episodes that i found rather lacking at first are now so terrific to me..
Murder by the Book
Suitable for Framing
Blueprint for Murder
Etude in Black
Double Exposure
A Friend in Deed
By Dawn's Early Light
Forgotten Lady
Try and Catch Me
How to Dial a Murder