I have a full hydraulic tower like the original alienware cases.i have a 120mm delta intake, its around 130cfm and a ystech 120mm exhaust in the top rear about 130 cfm to.i have 60mm delta 7000rpm exaust by the printer and mouse port and i have a slot exaust fan under the video card.im running a thermoengine with a 7000 rpm delta sucking into the heatsink.im using some silver grease ,not sure what brand on a xp1900.its running non overclocked on an abit nv7133r.with a room temp of 73 or 74 degrees fahrenheit,just looking around on the net im running 49c.im getting the reading with winbond hardware doctor .im using the little stock probe built in the socket.when it gets hot in the daytime and the room gets up to 80 or 85F this thing runs up over 60c.with all this cooling why is this thing so hot.whats wrong or is this temp ok,it seems everyone is running way cooler.thanx