Are you happy with this solution, or is it just a "lesser of two evils" kind of thing?
Good question. This search for a solution reminds me of the 'Goldilocks and the Three Bears' fable, except you never find a comfortable bed.
My two use cases are; (1) Back and forth to work; (2) Every other situation.
(1) At work I have a separate charger, so I don't have to worry about taking a charger with me. So, a folio case alone would suffice. However, all the keyboard folios use a separate cable to charge the keyboard. Yes, the charge lasts a long time, but you almost have to carry the cable with you at all times and none of the folios offer a convenient way to do this.
(2) The Waterfield bag has room for the charger, the iPad and the keyboard plus a pocket on the outside back for papers, etc. And even loaded, it's very light, no where near like carrying a laptop.
(3) Since the keyboard is separate, if I'm not going to be doing a lot of typing, I just take out the iPad2 (with a SmartCover) and use it as Steve Jobs intended.
(4) The Apple BT keyboard uses 2 AA batteries, which are available anywhere.
So, all in all, my current solution works regardless of whether I am headed to work or anywhere else. All I need is an outlet (to charge the iPad) or 2 AA batteries for the keyboard.
If the adonit.net becomes available for the iPad2, I will probably get one for back and forth to work and put it in the Waterfield bag for traveling.