I use a DeWalt track saw which has a riving knife. It seems to me that it is less important on a track saw since it would be difficult for the saw to be misaligned with the wood cut when it is guided by the track. But it should help if the saw kerf tries to close on the saw blade. On a table saw, the riving knife helps prevent wood moving into the back side of the blade. That seems less likely or not possible on a track saw.
If you compare prices with a long track included I think the DeWalt is less expensive than the Makita. It is certainly in the same price range. The blade changing process is more complicated than it needs to be but otherwise it is a nice tool.
If you compare prices with a long track included I think the DeWalt is less expensive than the Makita. It is certainly in the same price range. The blade changing process is more complicated than it needs to be but otherwise it is a nice tool.