thats built up power discharging off the caps in your tv set... dont worry about it, not enough to hurt your card and some monitors do it too so im sure theres protection built into the card
by obscure you mean the monorail? haha it was in the back room of a computer shop i worked at and i bought it for 5 bucks, it died the first day I had it:( but anyways no i wasnt thinking in the side panel, I was thinking gut my monitor and build an aluminum frame and mount all the stuff to it...
putting the part on the case may keep it stationary, but if the case inst empty, dont do it. If you get metal filings all over your components, they will be fried. I would put the part on a chunk of wood and hold it with your foot. If this isnt feasible to you, strip all your components out of...
other thing is draw the hole and then drill it with the closest bit you have and then use the little grinding stone on the dremel to carefully enlarge it
building a computer with an internal lcd monitor... is this doable? its certainly something id like to see, if not do. I thought of this after playing with an old monorail all in one pc... I dont know if anyone out there knows about those, but heres a link to a pic of one...