You guys do realize that, while the HV section of a monitor puts out very high voltage, it's also very *low* current. There are two places you can get a nasty wakeup when working on a monitor - the anode cap, and the back of the neckboard (focus pin). Neither of these will kill you. It will definitely hurt like hell though. A bigger danger is actually not the electricity itself, it's what it does to your muscles - making them contract violently. A much bigger danger of injury lies in what the monitor's HV will fling your hand into. You could easily cut your wrist wide open on a metal bracket in the cabinet.
Anyone that works on a lot of monitors/televisions has been bitten once. Yes, even me. I was repairing a computer terminal years ago, and had connected/disconnected the anode several times, discharging it every time (the cable was far too short to see the back of the board while it was connected to the tube). Well, I forgot once. Yup, that hurt. Haven't done it ever again. I've also been bitten by the focus pin on a neckboard, having accidentally brushed my hand against it while adjusting something in a game. Again, it hurts, and it'll remind you always to ensure that the cardboard protector is in place at the back of the neckboard. But in neither case was I killed. And in both cases, looking back... it was pretty funny.
There are lots of doom and gloom warnings out there that blow the danger way out of proportion. Yes, working on monitors is dangerous. Yes, you must be careful. Yes, there is a risk of being very zapped. No, you're probably not going to die. No, it won't throw you across the room. Yes, a tube can retain a charge after discharging - no, it's not very much (feels about like touching a doorknob after shuffling feet on carpet in the winter). You're far more likely to injure yourself by dropping it on your foot.
If you ever manage to kill yourself working on a monitor, send me a PM and let me know how you managed to do it.
-Ian