It does the same, removes ALL accell 100% but you have to start it every time you play CS. It also fucks up your menu screen as a 'thank you for using this.'
RInput is usefull when playing on other people's PC or on LAN en can be used regardless of Win7 ./11 settings or DPI. The (good, 100%) mousefix made by the same dude only works on 6/11.