You should get a mod to put these in OP.
I have a combined file of 60 mods hosted that you can use would be the easiest way to get it running amazing. Feel free to check my screenshots too.
Install this AFTER Lush GrassSet your grass density to 75 (or higher NOT LOWER) in your skyrim.ini file or insert the below line
[Grass]
iMinGrassSize=75
If you can't see any difference in your grass density, make sure you have the below line in your skyrimprefs.ini under Grass section:
[Grass]
b30GrassVS=0
bAllowLoadGrass=0
bAllowCreateGrass=1
That it does, impressive that you aren't getting slowdowns at all though, mine looks similar but drops to 30fps in some places on a 670 at 1440x900. What resolution are you gaming at Neil?