Turn off any uneeded programs Shutdown the clock turn off screensavers (along with sleep ect) turn off your monitor (Refresh rates take up a bit of processor) To minimize render time scenewise. these are the factors that you should use wisely Volumetircs Bump Lights Transparancy High Detail Imported DXF or 3DS models if your scene doesn't need too much of these - don't over do it :) Rgards, Matt