I wouldn't buy anything from Kurt Kinetic at this point due to their bizarre refusal to use de-factor standards like ANT+ FE-C and BT Smart and sticking with proprietary in-house protocols.
Consider starting here to get a feel for the current landscape. The ~$500 range is brimming with options.
The Trainer Updates of Interbike 2016: STAC, Kinetic, Tacx, CycleOps, Elite, CompuTrainer | DC Rainmaker