ya tenemos el parche beta 1.1 (pesa 95 MBs): 
http://www.insmod.net/downloads
el changelog muestra bastantes cambios 
Beta 1.1 Changelog
    * Added:Added server-side cvars "tkremove" and "tkdetect" to help deal with team killers
    * Added cvar "ins_dmgfactor"
    * Added super-sonic bullet whiz effect
    * Added incremental weapon sway when low on stamina
    * Added hint reminding you of alternate stance modes
    * Added weapon slot keys
    * Added new map ins_hillah
      Changed:
    * Changed "sv_alltalk" to default to "0"
    * Increased rate of fire of M249 to be that of its real life counterpart
    * Replaced round-restart commands with "ins_restart_game" and "ins_restart_round"
    * Renamed server-side cvar "ins_endtime" to "mp_chattime"
    * Renamed server-side cvar "ins_friendlyfire" to "mp_friendlyfire"
      Fixed:
    * Fixed attacking with grenades while sprinting
    * Fixed bipod view locking issues while moving in prone
    * Fixed exploit allowing people to finish reloading their weapon at abnormally fast speeds
    * Fixed exploit allowing people to go from standing to prone super fast
    * Fixed explosions recording deaths as suicides
    * Fixed iron sights twitching under lag
    * Fixed pausing of automatic sounds
    * Fixed people being unable to use grenade if attacking while going prone
    * Fixed players automatically spawning when they enter the server
    * Fixed reloading with M249
    * Fixed shells sticking to players and floating in mid-air
    * Fixed strange behavior in the shotgun reload
    * Fixed various server and client-side exploits and crashes
      Misc:
    * Changing class doesn't kill you anymore
    * Client DLLs now built without SSE, fixing a small problem for people with no SSE support on their CPU
    * Hint to suggest use of "cl_stancemode 1"
    * Optimized dust effects to use less CPU
    * Removed ability to use spraypaint or flashlights in spectator mode
    * Various gameplay balance improvements
    * Various small FPS improvements
EDIT: despues de probarlo un rato la verdad que han mejorado el rendimiento una barbaridad xD ahora puedo ponerlo todo al maximo con HDR y demas mierdas exactamente igual que antes y es totalmente jugable xD ahora lo que parece ser es que el juego se me salemas veces al escritorio cuando esta entrando a algun servidor, ademas la mayoria de servidores aun no han migrado a la nueva version asin que... de todas formas la cosa no podria ir mejor