SR3 core has prices for things like that, theres also the lightly armored clothing in cannon companion. And generally, it assumed to be part of your lifestyle cost, but I know what you mean. Its nice to know those little details, if only for roleplaying or simple amusement.
I was thinking something along the lines of how people work. Are some skilled and factory jobs still "work from home" or are they more "work from comlink"? It would seem that for some, they could wander around the city all day and still be working. Programmers, graphic artists, and a number of others. Obviously for unskilled and some highly skilled labor and services they would usually have to be in a certain place to work.
In the portable work place examples, a hacker could likely subvert the lower security comlink or terminal and logon as a legitimate user. In the portable work place example (for extractions perhaps) your hacker could follow the datatrail and behavior and find the easiest place to shove the guy into a car.