Where do you get your hadware hacking supplies?

Causalien writes: "I am a system integrator and have had my share of interfacing problems with different hardwares. On my free time, I am interested in doing things like hacking a wiimote into a mouse. So far, my work supplied me with all the materials needed for my job, but when I am home by myself, I need a cheap and reliable suppliers of all these hardwares for hobbyist. So I thought of coming to slashdot and ask you geniuses out there. Who do you get your supplies from? I am especially interested in suppliers who cater to single orders ranging between 1 to 5 items. Things like servo motors, IR sensors are on the top of my list. Thanks in advance for the help."