My girlfriend.
I sit her down at night and backup by telling her 1101001001001001100010101. Then, if my Mac crashes I just ask her to repeat back what she'd heard. It's not the most efficient, but it works for me.
I'll second that.2 Lacie d2 Extremes 250GB & 160 GB via FireWire 800. 2 years and works great.
My girlfriend.
I sit her down at night and backup by telling her 1101001001001001100010101. Then, if my Mac crashes I just ask her to repeat back what she'd heard. It's not the most efficient, but it works for me.