>I have learned over the years, regardless of what the experts say, keep it away from microwaves, ovens, lights, power sources, et al... (I spent numerous hours re-running cable in small insurance agencies and other small businesses as a last resort in troubleshooting only to find out that the "guaranteed certified" cable and where it ran "by the guaranteed certified installers" really was the problem)

It can be really hard convincing those guys that a PC is a better cable tester than the $9.99 "tester" they bought from some cut-rate "Network World" outlet. I've had to put a PC on a cart and wheel it from room to room saying, "Look - the PC works great in this room, doesn't work in the room where you did the wiring, ..."

I've heard those $10K Fluke analyzers can do some pretty amazing things but I've never had a chance to play with one. But, I'd take a PC over any cheap tester, not least because in the final analysis it's the PC that has to work properly with the installed cable, not the test device ;)