YES, Generation VI is confirmed. PLEASE DO NOT ADD SPECULATION TO PAGES. As soon as information is confirmed by a reliable source, it will be added.
Please remember to follow the manual of style and code of conduct at all times. Check and Bulbanews for up-to-date Pokémon news and discuss it on the or irc channel #bulbapedia.
Based on my friend DarkfireTaimatsu's checklist, I decided to do mine as well. I got permission to use the checklist, but...well, here's hoping I...catch them all.
Sinnoh: 151 seen, 104 owned
National: 249 seen, 148 owned