Looking to upgrade, need some help and advise and input

Personally I would wait till 2Q-3Q 2007 when DDR 3 is being supported and hopefully intel will start releaseing 45nm products. Failing the wait till then;

Intels Kentsfield quard due to be realeased later this year, [and is awesome]
Failing that the Core 2 duo E6600 is by no means under powerd

Nvidias G80 gfx card is due for release in September so current cards will be repriced. If you dont want to fork out for the G80, which is DX10 compliant. Either way make sure its HDCP Ready, its just worth it.

MotherBoard either Gigabyte's GA-965P-DQ6 or the entry-level GA-965P-DS3 both very stable for overclocking

HDD has to be [Two of them if you need it] Seagate Barracuda 7200.10 320GB 16MB cache Sata 2 300MB/s .
I've also read that not all sata 2 drives are 300MB/s that they just have some of the features like NCQ havent seen any thing to substantiate this, but be carful when buying just in case.

Dell UltraSharp 2007WFP 20.1-inch Widescreen Flat Panel LCD Monitor, HDCP ready, they also have a non Widescreen version.

As for the ram my personal preferance is Corsair as a manufacturer, and I know other people will disagree with me but as long as its 2x1GB PC6200 (800 MHz) i wouldnt worry too much about latencies

I'd also stick a Creative Sound Blaster X-Fi Fatal1ty sound card in there.

And i just dont trust power suppys that come with a case, so my chose would be Enermax 850W Galaxy.