6. 'Coz it's great fun and next time you WILL be more careful!!
1. sometimes you can damage the soldered connections to the mobo from the agp connector, this would not always stop the other slots from working unless you snapped a track. some tracks, however hae a lot of routes around the board (like the zero volt line) if you cracked the agp socket, it should show any damage bad enough to stop it working (usually!!).
4. not really, this stuff can go bellyup anytime, but if you get past the first month, then you are usually out of danger for quite a while.
3. no, but he does have a part interest in the patent on them.