My very first build! How are my choices based on my needs?

Hey guys, this is my very first build, and I'm not very hardware savvy. Please keep your responses understandable to a noob. Based on my week long research, I have selected these components. This is a BUDGET build, meant for playing games like CoD4, Oblivion, and Crysis on near high settings smoothly. I'd like to keep the price in the $900's (USA) or lower if possible without sacrificing performnace.

Alright, here we go.

Case - COOLER MASTER Centurion 5 CAC-T05-UW Black Aluminum Bezel , SECC Chassis ATX Mid Tower Computer Case

http://www.newegg.com/Product/Prod [...] 6811119068

Video Card - XFX PVT88PYDF4 GeForce 8800GT 512MB 256-bit GDDR3 PCI Express 2.0 HDCP Ready SLI Supported Video Card

http://www.newegg.com/Product/Prod [...] 6814150252

Monitor - ViewSonic Optiquest Series Q20WB Black 20" 5ms DVI Widescreen LCD Monitor 300 cd/m2 1000:1

http://www.newegg.com/Product/Prod [...] 6824116075

Power Supply - Thermaltake Purepower W0100RU ATX 12V 2.0 500W Power Supply 115/230 V UL, CUL, TUV, FCC, and CB certification

http://www.newegg.com/Product/Prod [...] 6817153052

RAM - Crucial Ballistix 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory

http://www.newegg.com/Product/Prod [...] 6820146565

Motherboard - GIGABYTE GA-P35-DS3L LGA 775 Intel P35 ATX Intel Motherboard

http://www.newegg.com/Product/Prod [...] 6813128059

HDD - Maxtor 300GB ATA my father has

Operating system - XP (not sure which version)

CPU - Intel Dual-Core E2160 Allendale 1.8GHz 1MB L2 Cache LGA 775 Processor

http://www.newegg.com/Product/Prod [...] 6819116036

*Note* I selected this processor based on the overclocking capability made clear by the article here. I fully intend to OC it as much as possible while being stable. The article said it could reach 3.2 GHz with stock cooling, but I'm not so sure. Also, is the 1MB cache a big minus as opposed to the 2MB or 4MB cache of the more expensive models?
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How do these components look? Are they all compatible? Will I be able to OC the CPU to around 3.0 with these components?

Thanks!

I like the look of the case. Simple.

I dont mind the case either. I'm not sure if i would go with that cpu though. If you can, try to bump it up as far as you can. Other than that it looks like a really solid build. To save a lot of cash you can always use... cough.. uhmmm gooogle + torrent + download = saves $200 worth of cash. cough vista ultimate... freeeeeee