Asking For Some Clarification..., What is and is not likely... Options

[beatles64]

I am posting this in hope that other users can help me put the multiple theories surronding the airplanes into a more clear perspective. I guess the best way for me to do this is to first admit that I dont know too much about what would or would not have been possible with the aircrafts (i.e. could they have been remotely flown, could they be different aircrafts, missle at the pentagon, etc...)

I am doing this at the risk of being labeled a nut, but I am hoping someone can help clear this up with some detail, since there are so many competing theories that seem to have supportive evidence.

I guess to start I would like to ask if anyone can clarify some of the info found on youtube suggesting that there were descrepencies in the airplane speeds, sizes, and approaches as they hit the South Tower...can anyone provide more supportive evidence that these were not the planes stated? Or is it just a matter of perspective, quality, etc...

Again most of this is outside of my knowledge, and any help is greatly appreciated.