Deleted post #1:
Just-dice vote for me all around king of the hill dice game imo from trust in the owner to in play very nice site with big wins available. BTW if you read the op and poll nowhere does it say best bitcoin dice sites, just best dice sites 2015 mate.
If you read where it's placed it MUST be Bitcoin Discussion.
Bitcoin Forum > Economy > Marketplace > Gambling
If you want to talk about altcoin services you can go there:
Bitcoin Forum > Alternate cryptocurrencies > Marketplace (Altcoins) > Service Discussion (Altcoins)