The embarrassing Sony press conference
This has been floating around the internet for a bit, but it still deserves an honorable mention here. Some talented individuals decided to edit the Sony keynote address during E3, and the resulting video is definitely worth a chuckle (regardless if you're a PS3 Fanboy or not). Some of you aren't going to agree with the closing comments (while others might), but just click the above video to check it out.
"It's Ridge Racer!"