Question : Problem: How to build a reliable video production computer.

Hi all
We have a video production PC at our company for promo videos and ect.
MY HARDWARE: Asus P5WDG2 WS Mother Board, Intel Pentium C2D 6700 2.66Ghz, Radeon X1950Pro, Pinnacle AV/DV2 Capture card, Adaptec 2820SA 8 Port raid, 4x Seagate Barracuda ES 750 Gig hard drives in raid 0 stripe across all four.
Bassicaly this machine is now running like a dog, started off alright then slowly getting worse and worse, i have done all the basics like defrag, cleanup ect.
Please, any advice will be most appreciated.
Thanks

Answer : Problem: How to build a reliable video production computer.

4 gigs should be good.
Also look a BlackVipers Vista tweaks. Some of them might help also.
http://www.blackviper.com/WinVista/supertweaks.htm