What ya think'bout the new game? Will they be going on our thieving prince (the game came on 2008) or they'll do anything different about it ?

Critical, fan, and sales response to both of the last games, the fantasy looking one which played too easily, and the game that recently came out taking place in the original trilogy space, means they're going to have a tough call where to take it next. Personally I think they're going to end up sticking to the latter but potentially blend it more with how Assassin's Creed worked.

Go the path of Nintendo/Capcom and do it old school POP