Looking at upgrading a system that consists of 
P4 3.0C
ASUS P4C 800-E Deluxe
512 DDR RAM (400MHZ)
120 WD HD
Audigy 2 Platinum
EvGA 5900 Ultra
A05 DVD Burner
Samsung CD Burner
Win XP Home
Debating on adding an addtional 512 of DDR to bring the total to 1 GIG or add another 120 Hard drive and put it in RAID 0 configuration? Will the system benefit from the additional RAM and if so by how much? Does RAID 0 only benefit load times or is there more it? Plan to back up critcal data in case of HD failure so everything isn't totally loss. System used to process a lot of digital photos and plan to convert VHS videos to DVD. No Video editing at this time. Your thoughts please.
			
			P4 3.0C
ASUS P4C 800-E Deluxe
512 DDR RAM (400MHZ)
120 WD HD
Audigy 2 Platinum
EvGA 5900 Ultra
A05 DVD Burner
Samsung CD Burner
Win XP Home
Debating on adding an addtional 512 of DDR to bring the total to 1 GIG or add another 120 Hard drive and put it in RAID 0 configuration? Will the system benefit from the additional RAM and if so by how much? Does RAID 0 only benefit load times or is there more it? Plan to back up critcal data in case of HD failure so everything isn't totally loss. System used to process a lot of digital photos and plan to convert VHS videos to DVD. No Video editing at this time. Your thoughts please.
				
		
			