We were surprised not to find the huge stockpiles. I am willing to assume for now that David Kay has a reasonable chance of being correct that what stockpiles there were, were not large by the time of the invasion. Otherwise, he probably would have found the "fingerprints" of their being moved or destroyed.
Nonetheless, Saddam was dangerous, and the coalition going to the military option and taking him down is a very successful step in the War on Terror. Saddam was not "just another dictator" - his actions in the Middle East, connections with and support of various terrorist groups, have been quelled. The difference in the dynamics there are vastly different and in our favor. We sent young men into harm's way to help make America safer and that is what they have done.
Libya is just one of the first dominos to fall.
We were never even looking for large stockpiles- that's a media myth. When my brother was over there in the 90s we were looking for movements of just trucks, ambulances, small boats, and single railroad/ship containers and drums, and of course, people, and not just in Iraq, but in nations with whom Iraq's Hussein was working. We found materials in Jordan and his chemical efforts in Sudan didn't escape notice, nor Iraq's nuclear associations with Libya. No need to hide things when you've got it outsourced and the inspectors don't have a permit to hunt another country for your stuff.
It took until years after the first Gulf War just to find some of his nuke stuff the first time around- and we kept finding it right up to December 1998. And he wasn't even trying that hard to conceal at first, though he did receive intel on what searches were going to happen from the UN and Russia.