This is great for the game.
It is too boring when it is 1 guy, or even 2 or 3 guys monopolizing all the slams and big events. Now we have Fed, Nadal, Djokovic, Murray, Tsonga, Delpo, Berdych, 7 legit slam contenders.
Golden age, I say, regardless of who you root for. More guys challenging for the biggest prizes is GOOD for the game.
No way. The other five yes; Tsonga and Berdych are guys who can win one Slam max if they get hot for a few matches, they are dangerous outsiders. They have too many weaknesses to be considered top contenders on a regular basis.