Hello guys. I´m thinking of buying the Thunderbolt Display 27" 2011 model. Im currently having the newest RMBP 13" with refresh rate at 30. The are rumors that Apple is making a new gen of Thunderbolt 4K monitor just around the corner. But my concern is that my MBP will not have the save quality as the 15" RMBP with refresh rate at 60. What shall I do? Shall I wait for the new one?