Check out the ThinkTank Retrospective 20, it will holda pro body, 70-200mm f/2.8 with hood reversed, a flash and another lens.


http://www.thinktankphoto.com/products/retrospective-20-black-shoulder-bag.aspx


I don't own this bag, but I have many think tank products and they are all very well made, same for Tenba.


Also check outthe Tenba Large:


http://www.tenba.com/products/Messenger-Large-Photo-Laptop-Bag.aspx#specifications


I don't own the million dollar crumpler but I have heard very good things about it as well.





Rich