Nikon Coolpix L18 (Underwater)
Canon EF 50mm f/1.8 I
MC Zenitar-M2,8/16 Fisheye
Canon EF 17-35mm F/2.8 L USM
DIY macro lens (from a vivitar and canon lens put together) ^_^

Canon Speedlite 430EX (2X)
Canon Speedlite 580EX

update:

Canon Eos 5D
Canon EF 35-105mm f/3.5-4.5

Canon Eos 5D Mark II

5d, 5d mark ii, 7d, 400d

If I'm too lazy to bring a bigger camera I make use of any of the following: (lol)