Canon 5D Mark III Body 28mm/1.8 35mm/1.4L 40mm/2.8 50mm/1.2L 50mm/1.4 85mm/1.2L Canon 580 EX Speedlight Nikon SB-80 Speedlight 2 Pocketwizards 2 Manfroto 6' mini light stands
and I think I can fit two 36" Softlighters diagonally across the top before I close it, or at least the umbrella parts. This is my first attempt, I'll get more refined in time. I won't need to carry all those lenses all the time of course. I just wanted to see how much I could fit.
It's not light though. Weighs in at just over 30lbs all in. Not bad considering the shear number of options it gives me and it's very compact size. Let's just say that I'm glad it's got wheels.
Speaking of wheels, I'm considering replacing them with softer/quieter rollerblade wheels like this guy did:
UPDATE: I did in fact find replacement wheels on eBay. Here's a link for as long as it exists. Just look up 60mm x 20mm luggage wheels. I got mine from a place in Hong Kong. $15-20 with shipping and they installed fine and are much quieter.
If you're going to buy one, do so from this amazon link and I'll get a few cents to support the site: