Ok so im stuck in between a rock and a gpu

xxcoop42xx

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im bulding a new rig as of right now (not putting it together, still ordering parts) anyway i was planning on going with these parts (i already have bought the case and case fans, already have the monitor also which is 1440x900 but may change to hdtv res at 1360x768 res i think):

asus p5q-pro mobo
q9550
4gb kingston HyperX ram at 4-4-4-12 1066 ram
xfx radeon 4850,

but i have just spent about an hour and a half searching the radeon 4830 because i wanted to know if it would be a good starter card for this build. this build will end up having either tri-fire 4870 or 4850 i havent decided but it will be tri-fire in the end. but next month i will buy everything but the cpu and power supply (those come after next month). i plan on using my current e8400 and 630w psu until i get the actual cpu and psu for this build.

So my problem is that i thought i wanted a single 4850 to start with but after spending the time today to read tons of reviews it seems i can get 4850 performance by overclocking the 4830 a little, so if i go about buying a 4830 instead of the 4850 i can save $60-$70 and be able to purchase the cpu and psu earlier than thought before because ill have more funds. so would anyone agree or object to this idea of buying a 4830 and oc'ing or should i just go ahead and get the 4850. i really dont see a point in paying $60 more if i can acheive the same performance with a simple overclock of the 4830. any and all suggestions wanted and thanks for listening and helping out.
 
You need a P5Q-E, not P5Q-Pro, if you want tri-fire.

You can overclock the HD 4850 too and get more speed than from an overclocked HD 4830.

A single HD 4830 or HD 4850 is good enough for 1360x768.

 

xxcoop42xx

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no that mobo has two pci-e slots, im tri-fireing with a 4850 and a 4850X2 therefore i only need 2 pci-e slots
 
Get a case with really good cooling, for example NZXT Tempest or Antec 900. The HD 4850 X2 doesn't have a vent for kicking the heat out, and the case fans have to make up for it. Personally I like the Tempest more because it has intake fan filters, but if you don't have pets it's not very important.

 

xxcoop42xx

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i hav a cm 690 case with 7/8 fans installed