I presume it's acceptable to ask questions about photography gear here.
I've recently bought a Sony NEX-6 and two lenses (Sony 18-200mm zoom & Sony Zeiss 24mm F1.8). I plan on acquiring one or two more lenses in the future (Zeiss 12mm F2.8 and/or Zeiss 50mm F2.8 macro). I don't currently carry a flash but might choose to do so at some point (Sony HVLF20S). I have what I assume is a fairly typical set of accessories: USB cable and charger, extra battery, lens pen, lens wipes, and a camera rain protector.
I travel a good deal for work and I'd like the option of taking my camera gear with me. For day trips I use a Think Tank Mirrorless Mover 20, which is just large enough to carry my current gear, but I couldn't fit another lens or a flash in it.
I can't use a dedicated camera bag, as I must carry my work gear with me and I'm unwilling to check either my camera gear or work gear, and I travel enough that I want to have my rolling carry-on in overhead storage so I don't have to check it, either.
The work gear consists of a MacBook Pro 15", an iPad, reading glasses, sunglasses, travel wallet, wallet, pens and other minor accessories, and a cable/charger bag that's about 8" x 5" x 1.5". I could probably cut that down in size a bit if need be.
In a perfect world, I'd find a bag with the following characteristics:
- Padded section with room for NEX-6 + 3-4 lenses
- Room for my camera accessories
- Room for my MacBook Pro + iPad + various power adapters and cables
- Room for my work accessories
- Handle sleeve so it slides over my rolling carry-on
- Fits under an airline seat
- Expandable so I don't have a large camera compartment when I'm not carrying my camera gear
- Reasonably weather-resistant, possibly via a rain cover
For extra-super bonus points, the bag would have some sort of detachable section that would serve as a daypack and keep me from having to carry the Mirrorless Mover, but I doubt such a thing exists.
The two bags I've found that come closest are the Think Tank Urban Disguise and the Gura Gear Chobe. Does anyone have direct experience with either or both these bags? Alternately, can anyone recommend any other bag(s) that come as close as possible to meeting my criteria?