While there has been a lot of Pokemon X and Y leaks the past couple of days, it seems that all the new Pokemon have been revealed. According to the rumor, the 6th Pokemon generation will contain 71 new Pokemon, which have all been revealed. Some people might find this news sad, but another rumor claims there will be 50 Mega Pokemon too, so there are still plenty more to discover.
Finally thanks to Letterbomb on Neogaf, we have a nice chart with all confirmed Pokemon so far and their types. You can find it pictured below and you can use it to figure out what Pokemon you want.