Obviously, you're gonna need some cables to use all that stuff. ;)

I would suggest looking into decent bag for your recorder. I'm very fond of Petrol bags myself. I'd also suggest grabbing a few extra NP-type camcorder batteries and two chargers to carry around with you. The last thing you want is to run out of power. If you've got the chargers with you, you can start recharging a battery as soon as you swap it out.

Another useful item to have is a bunch of velcro straps for cable management.