Interesting Article On The Futility Of Attempting To Brute Force 128 Bit Keys:

[The Thing]

Some interesting reading here - http://www.codinghorror.com/blog/archives/000631.html

[snipper_cr]

Yeah, i always knew that a 128 bit key was insanely large and impossible to brute. Some of those numbers though are just insane, almost impossible to grasp some concepts too.