Charmander ->>Suicune
Bulbasaur ->>Entei
Blastoise ->>Raikou
Those are the three dogs, and the starter that gives each one. I'd give it a 9/10, as it doesn't have Emerald's options, like the Battle Frontier, but the pokemon are much better.(not in strenght, in their look, they are the original pokemon). And yes, later, you can get Tyranitar. PS, if you didn't buy it yet, get Leaf Green, it's better IMO, you get better pokemon like Slowbro and Victreebel, and my all time favourite, Magmar. But it's basically the same, so it doesn't really matter.