these are my curretn settings in my config file:
// Video Settings
seta r_subdivisions “3”
seta r_vertexLight “1”
seta r_fullscreen “1”
seta r_mode “4”
seta r_ignorehwgamma “1” // modifies brightness of colors, default is 1
seta r_gamma “2” // brightness of colors, default is 1
seta r_intensity “1.5” // overall brightness, default is 1, use 1.3 - tried 2.7
seta r_mapoverBrightBits “2” //lightens shadowy part of a map default is 1 - tried 3
seta r_overbrightbits “2”
seta r_depthbits “24”
seta r_stencilbits “8”
seta r_stereo “0”
seta r_colorbits “16”
seta r_texturebits “16”
seta r_detailtextures “0”
seta r_dynamiclight “0”
seta s_mixahead “0.14”
seta cg_bobpitch “0”
seta cg_bobroll “0”
seta cg_marktime “0”
seta cg_brassTime “0”
//Network settings
seta com_maxfps “43”
seta cl_maxpackets “30”
seta snaps “20”
seta rate “8000”
seta cl_maxPing “800”
seta com_blood “1”
seta com_hunkMegs “128”
seta com_zoneMegs “32”
seta com_soundMegs “32”

easiest bang for buck there is tbh.