This is what I bring with me:
Canon 5D
Canon 7D
Sigma 8mm fisheye lens
Canon 50mm f1.4
Canon 85mm f1.8
Canon 24-70mm f2.8
Canon 100mm f2.8 macro
Canon 70-200mm IS f2.8
Canon 18-55mm f3.5-5.6
Tamron 17-35mm f2.8
Lens Baby
Canon Speedlite 580 EX, 420EX
Canon Speedlite Transmitter ST-E2
Lightspheres&5 in 1 Reflectors
Epson p-5000
lots and lots of cf cards
Professionalism
Courtesy
Respect
Talent ;)