Where can I watch the E3 Press Conferences?

[SuperZambezi]

You have a few options..

http://www.ign.com/events/e3/2011/live-video
http://www.e3insider.com/
http://e3.gamespot.com/press-conference

Nintendo even has its own page (not sure about Microsoft and Sony)

http://e3.nintendo.com/

 

[cookieboy17]

Or just watch G4.

 

[ttwashere]

Or just watch G4.

or SpikeTV