Since I have recently switched to Nikon, I've updated my equipment list- this list includes everything I carry with me when I travel. I'm currently traveling throughout Kazakhstan and Turkey, and all this equipment fits in my ThinkTank Roller, Urban Disguise, and Mountainsmith backpack (along with my clothing). My equipment list expands quite alot when I shoot at home in Los Angeles so I'll be adding my larger studio equipment to the list later on, but for now you can see what I use 80% of the time.

Cameras:
Nikon D700
Nikon D300
Canon Powershot G9

Lenses:
Nikkor 24-70
Nikkor 70-200
Nikkor 28mm 2.8

Memory:
Lexar 8gb 300x CF Cards (I carry 8)

Flash:
Nikon SB-800 (I carry 4)
Nikon SB-900 (I carry 4)

Batteries:
rechargeable Energizer 2450mAh AAs
Chargers:
LaCrosse Technology BC-900

Wireless triggering:
PocketWizard Plus II
I carry 4 PocketWizards, but for alot of instances I can use the built-in slave functions on both the SB800 and SB900; i.e. I use a PocketWizard on my mainlight, and let the built-in slaves do the work on the rest of the lights.

Light Modifiers:
HonlPhoto Grids, Snoots, Gobos, & Gels
Photoflex XS Litedome
Photoflex MultiDisc

Lighting & camera support:
Bogen Manfrotto 3373 lightstands (2)
Manfrotto 175F Spring Clamp with Flash Shoe (Justin Clamp)

Gitzo G0012 mini tripod
Novoflex Magicball Mini Ball

Video:
Canon Vixia HF11 HD camcorder w/ 32gb flash memory
Sennheiser EW100G2 Wireless Microphone
Sony MDR-V6 Monitor Headphones

ThinkTank Airport International Roller Case
ThinkTank Urban Disguise 50
Mountainsmith Eclipse 55

Editing & communication:
Apple MacBook Pro
Apple iPhone 3G