Iridium

...But I have been out of the game for awhile. I have been poking around on my lunch hour here at work and trying to find out when they plan on releasing the new form-factor,...BTX I think? And curious about the progress of PCI-Express, anyone have any links to some good solid info on these topics? I am wanting to start tweaking again and not sure if I should upgrade what I have now, or hold off for the new(the age old question eh?).

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Zardon

PCIe is really it its infancy stages , but its starting to take off nicely now that DDR2 is performing well and they are tightening up latencies.

Some articles on DH for your perusal and of course if you google it there are many more.

Two of the best memories for slot 775/925x platform, which really start to edge out AGP/DDR

http://www.driverheaven.net/reviews/OCZ4200DDR2/

http://www.driverheaven.net/reviews/corsair5400pro/

one of the nicest PCIe video cards with ram/core temperature monitoring and fan control along with nice overclockability

http://www.driverheaven.net/reviews/AX800XT/index.htm

dont like intel? if you want to use your old DDR ram with new A64s then ATI have just developed a wonderful new mobo for them for PCIe here

http://www.driverheaven.net/reviews/RadeonXpress/