Mormons, what's your opinion on non-LDS Christians?

They believe you will not go to hell and experience a lesser heaven than those who accept and practice the LDS relgion. One must be married and endowed in the Temple in order to receive the highest rewards that god has to offer.. According to them and that is just the skinny of it. So you get a reward. But not nearly as good of reward if you had accepted the LDS church... Got to love that. All religion is man made. ... ... ... seriously.