How to improve this self built computer without changing the price.?

I am saving up for a self built computer. I have retrieved all of this information of newegg which is where i will be buying all of this for $925. If you can find anyways to improve this without changing the price q whole lot please let me know.



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



Graphics card---EVGA 512-P3-N884-TR GeForce 9800 GTX+ Superclocked 512MB 256-bit DDR3 PCI Express 2.0 x16 HDCP Ready SLI Supported Video Card



Processor---Intel Core 2 Duo E8400 Wolfdale 3.0GHz 6MB L2 Cache LGA 775 65W Dual-Core Processor

Motherboard---EVGA 132-CK-NF78-TR LGA 775 NVIDIA nForce 780i SLI ATX Intel Motherboard.



Power supply---CORSAIR CMPSU-850TX 850W ATX12V 2.2 / EPS12V 2.91 SLI Ready CrossFire Ready Active PFC Power Supply.



RAM---OCZ NVIDIA SLI-Ready Edition 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory.



Hard drive---Western Digital Caviar SE16 WD6400AAKS 640GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5%26quot; Hard Drive



cd/dvd drive---Sony Optiarc Black 24X DVD+R 8X DVD+RW 12X DVD+R DL 24X DVD-R 6X DVD-RW 12X DVD-RAM 16X DVD-ROM 48X CD-R 32X CD-RW 48X CD-ROM 2MB Cache SATA DVD/CD Rewritable Drive.How to improve this self built computer without changing the price.?I would suggest a range of new parts for this, Mainly Mobo, Ram, CPU and Video card

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