The Best Startup Investor Pitch Deck
http://bestpitchdecks.com/
Best Pitch Deck Examples on SlideShare
http://bitly.com/bundles/royrod/2
6 Awesome Investor Pitch Decks
http://investorpitches.com/6-awesome-investor-pitch-decks-that-any-entrepreneur-can-learn-from/
The Pitch Deck That Helped A Startup Land $6 Million
http://www.businessinsider.com/seed-round-pitch-deck-tempate-2013-8?op=1
These lists are great, but a bit short — for 1,000+ deck examples, you might consider adding https://bestpitchdeck.com