Since the RR reduction is only for high elo, specially for the Radiant rank, you can think of this 5 stack queue almost as a different mode completly but inside the regular soloQ. I think they want to focus on people that want the full team...

Default crosshairs (4 straight lines) have never really done it for me so I always end up fiddling with the crosshair page quite a bit. It's also pretty fun since you can make some pretty interesting crosshairs. Maybe someone will find some...