This is the one thing that I REALLY hate on my nt(in all nt`s). It would be awesome if they(Dye) come up with a trigger system/mechanism like planet eclipse one.
The side to side play is caused by the 0.000000000000000001 U$ bearings they use. Believe me, the bearings in the NT are the cheapest china **it available.
You can buy REAL bearings and it will become a little better.