My god I was surprised when I found this function, it's frickin' awesome.
It allows you to sleep down to 100 nanoseconds!
UDF:
; #FUNCTION#;===============================================================================
;
; Name...........: _HighPrecisionSleep()
; Description ...: Sleeps down to 0.1 microseconds
; Syntax.........: _HighPrecisionSleep( $iMicroSeconds, $hDll=False)
; Parameters ....: $iMicroSeconds - Amount of microseconds to sleep
; $hDll - Can be supplied so the U