CP3S said:

The flash side-ways were really the only good thing about season six, IMHO. The problem for me was with the island storyline, and the final explanation of the true nature of the flash-sideways. Since Sunrep's plan is to simply cut out all the flash-sideways and along with parts of the island storyline that connect to them, I don't think it is going to fix what I didn't like about season six.

I thought the same thing, 3PX, but I got an earlier version of his edit and checked out the first few episodes. He actually cut out a lot of the pointless/repetitious on-island parts of season six and kept most of the good/necessary parts in, while at the same time substituting the flash-sideways scenes for flashbacks of the island (from things like Ab Eterno and Across the Sea). So it still maintains the form on Lost (on-island along with flashes) while taking out the sideways.

Really worth checking out at least.