The greatest, best, most inspiring stuff you can find in one spot on the Internet:
TED.com !!!!!!
This is positive, optimistic, fascinating stuff about visionary science and technology. They offer short presentations, often just 14 -20 minutes long.
Vastly Superior to anything you will hear in the Mid Week meetings/Public Talks/Watchtower Study/All Assembly Parts.
You can also pick it up on an internet streaming gadget into your TV as a separate channel.
Wonderful Stuff.
metatron