My MacBook Pro is tooooooo hot

Hello everybody!
I've a Macbook Pro since almost 1 year and it's too warm...
Almost always it's on 70ºC or more and it's not necessary to be working with complexes programs...
It's too hard work with the computer in spring and summer... what can i do? I've all updates...
Thank you very much.
MacBook Pro Intel core duo   Mac OS X (10.4.9)  

smc fan control and similar applications allow you to bump up the minimum fan speed - you cannot drop the speed below that specified by Apple. Increasing the fan speed by 500 RPM has a huge impact upon laptop temperature, and the increase in noise is not noticeable (up to 1000 RPM increase is not really noticeable, IMHO).
There is a lot of speculation on these boards about how programs of this nature will reduce the lifetime of the hardware, but it is just that - speculation. Hardware running too hot WILL decrease the life of the hardware. Period. This is NOT speculation - heat is the primary enemy of CPUs and other sensitive electronics. It's well documented. Will running the fans a bit faster reduce their lifetime? Well, yes - they are mechanical devices, and as such are subject to failure. The question is how severe the impact is, and whether the benefits of keeping the CPU cooler outweigh the extra wear-and-tear on the fans. Personally, I feel that the impact of running the fans 10%-20% faster than they would normally run is negligible - I'll most likely be replacing the laptop before the fans wear out. My opinion. And, no, I'm not wealthy - this machine was a big investment for me, and yet I'm still comfortable running the fans faster.
Besides, what good is a laptop that you won't use because it is physically uncomfortable?
I routinely run iCyclone on my macbook pro and bump up the minimum speed from 500-1000 RPM based upon what I'm doing and how hot it is in my location. Personally, I don't worry about the impact on the lifetime of the laptop. It's a tool (albeit an expensive one), and I treat it as such. I work extremely long hours with my laptop and in my case the extra cooling is absolutely critical.
At the end of the day, it's your decision. It's your hardware.

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