Lot of good spin talent going around too. Lyon, Ashwin, Herath, Jadeja, Mahraj, Santner, Sodhi, Rashid Khan, Mehdi Hasan, Shakib, Akila Dananjaya, Sandakan, Chahal, Kuldeep, Yasir Shah, Shadab Khan even Mo Ali is a step above any other English spinner in recent times apart from Swann.
Add to this the Fab 4 batsmen, and the rise of Ireland and Afghanistan to Test nations, and the general increasing standards of Associates such as Scotland, Netherlands, Nepal...I think we might look back in 20 years and consider this to be a golden era of sorts.