More Terribly Awesome Portal 2 Videos

Browsing the web after the Portal 2 Music Video contest, i found some extraordinary videos, ones extremely good, containing great editing and plot, and the other... well... its just... EPIC!!!! Which of the two are which? I'll let you decided

Test Subject #042


Test Subject #234


*all credit to the absolutely awesome guys who made this, if any copyright concerns we'll remove them without question ;) *