My favorite black and white films list is endless, but some of my top favs are:

Arsenic and Old Lace
Mildred Pierce
The Thin Man (all of them!)
Jezebel
His Girl Friday
Mr Skeffington
Dark Victory
Abbott & Costello (all of their films!)
Delicious (a very little known film, but one of my favs)
The Great Dictator
Grand Hotel

Very hard...

The Philadelphia Story
It's A Wonderful Life
ALL of the Astaire/Rogers films!
Goodbye Mr. Chips
The Awful Truth
Mr. Blandings Builds His Dream House
Big Street
Little Women
Bringing Up Baby
For Me And My Gal
Random Harvest!
:)

Mr. Blandings Builds His Dream House is my favorite too! I just bought it on DVD a couple months ago.

I also love Magnificent Obsession
The Winning Team
All About Eve
Penny Serenade

If anyone can upload the women, that would be fantastic.