Advice on 600-$700 first build

[Zooman580]

Hello everyone,
This is my first build, though I have experience tearing down my factory-built computer. I would like to run it by you guys to see if it is a good build and if there are any suggestions to lower the price. This computer will be used mostly for internet, light gaming (cod mostly, nothing like crysis), and some light engineering drawings (CAD) work. Should I upgrade it i5 or i7 and ddr3?I might overclock in the future. The budget is actually up to $1000, but I would like to save money for upgrades later, such as a ssd when the price goes down some, a better graphics card (SLI) for bigger CAD programs and better games, etc. The store could either be newegg or tigerdirect, doesn't matter. Here are the parts I'm planning to buy in a few months:

CPU
Intel Core 2 Quad q9300

MB
ASUS P5N-D Motherboard - NVIDIA nForce 750i SLI
http://www.newegg.com/Product/Product.aspx?Item=N82E16813131232&Tpk=p5n%20d
Would love a SSD if the price doesnt push it to far above 600.

Memory
OCZ SLI-Ready Dual Channel 4096MB PC6400 DDR2 800MHz Memory (2x2048MB)
http://www.tigerdirect.com/applications/searchtools/item-details.asp?EdpNo=3573170&csid=_21

Hard Drive
Western Digital Caviar Blue 500GB 7200 rpm
(already own this)

PSU
Ultra LSP750 750-Watt Power Supply
http://www.tigerdirect.com/applications/searchtools/item-details.asp?EdpNo=3276567&csid=_21

CPU Cooler
I don't know what to get here yet. There might be some OC in the future. I'd prefer water cooling since its more effective and takes less space doing it
Water cooling would be something like this: http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=5267687&CatId=1871

Graphics
This I'm not sure about either. Would really prefer Nvidia since I have an intel processor.
How is this one? http://www.tigerdirect.com/applications/searchtools/item-Details.asp?EdpNo=5639258&sku=E145-9862&srkey=evga%209800gt

Case
Undecided - most unsure about this one. Please give suggestions about the case and the brand. Mid tower Full tower both ok. Would like 3 or 4 pin connectors and maybe clear sides. Give any suggestions about any cases here. I'd like to put filters on the fans so 200mm or 230mm is too big but give me suggestions anyway, unless you know where to get big filters.
NZXT M59 - http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=5222597&CatId=1509
Azza Solano 1000 - http://goo.gl/ul9g
NZXT Tempest Evo - http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=5569252&CatId=1509

 

[sp12]

IMO it makes no sense to buy a last-gen quad/DDR2 with a new build. If you're planning to buy in a few months come back then, the parts will have completely changed.

 

[falseg0d]

I second sp12, we could give you advice now but later on the advice would be invalid. Especially with so many new releases looming around the corner.

 

[Zooman580]

OK, thanks for the tips
Do you know when there will be new releases? I looked at the Core i series and they ARE much better than Core 2 and DDR2, but much harder to fit into a 600-700 budget haha. Oh well, I can push that up.
Thanks guys