Ideas for a Multipurpose Garage Workshop?

WTFmonkey asks: "Having looked at several woodworking websites and magazines, I've got some good ideas for the woodworking part of my planned shop. Sadly, I can't find any shop ideas specific to electronics and computer repair. What is considered essential for a good workbench? Dinner-table height or counter-top height (I'm 6'2"), and what is an adequate depth? Lighting strategies, handy equipment, organization issues? To put it succinctly, what are the most comfortable and effective benches you've worked at, and why?"