Non overclocked Q9550, stock or aftermarket CPU cooler?

Im using this computer for work. Almost all spread sheets and charts (4-8 monitors). Some light gaming in my off time. Here are the specs.



SAPPHIRE 100270SR Radeon HD 4850 X2 2GB 512-bit (256-bit x 2) GDDR3 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video ... - Retail

Intel Core 2 Quad Q9550 Yorkfield 2.83GHz LGA 775 95W Quad-Core Processor Model BX80569Q9550 - Retail

COOLER MASTER HAF 932 RC-932-KKN1-GP Black Steel ATX Full Tower Computer Case - Retail

PC Power & Cooling Silencer PPCS910 910W ATX12V 2.2 / EPS12V 2.91 SLI Ready CrossFire Ready 80 PLUS SILVER Certified Active ... - Retail

GIGABYTE GA-EP45-UD3P LGA 775 Intel P45 ATX Intel Motherboard - Retail

G.SKILL PI Black 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory Model F2-6400CL4D-4GBPI-B - Retail

I am not going to overclock anything. I want this system to be as stable as possible. Do you think the stock CPU fan will work or should I just go with an aftermarket fan. I was going to try it first and see what my temps are, but if you guys think it will be too hot right off the bat then I won't even bother with the stock fan. What temps would you guys like to see. It is almost always 70F in the room. Thanks for your input.

Would you take off the stock paste and put on better aftermarket paste?

4850x2 for light gaming ? Little overkill really, unless you are not aware of any other way for 4-8 monitor setup, the stock cooler should keep the CPU in correct temps range, but it seems to me that you are spending a lot on this rig anyways so why not get an aftermarket cooler as well and give yourself better cooling at lower sound levels now and you know you can always OC if you get hooked on Crysis with the yummy 4850x2!!

Thanks for all your input. I am using the 4850 x2 because it is the most cost efficient way to get 4-8 monitors, from what I have found. The only other card that has 4 dvi ports that I found is the nvs450 and it's $430. I could go with a couple pci cards but the are expensive for their performance. I agree the 4850 x2 is overkill for light gaming but it is the 4 dvi ports that I really need. As for the q9550 I run 6-8 programs at once that do some very complex calcuations using lots of data. The reason for the 910w power supply is because I will be using 2 4850 x2 cards. At what temp would you say is too hot and go to an aftermarket cooler.