Found the perfect office EDC bag for women.  The Coach black leather "basic bag."  Sleek, zippered, cross-shoulder carrying ability, also clutch-size.   Goes with any outfit - dressy or jeans.  
Here's a "vintage" 90s used bag for sale:
http://store.americanapparel.net/product/?productId=csv4317The new version is $198.
http://www.coach.com/online/handbags/-ha...=LN1&LOC=LN.