Sata 2 (or II) = 3.0GB/s which in most cases is not needed
Sata 1 (or I) = 1.5GB/s which is the best choice in my new oppnion
IDE = there going outta date soon. I'm not sure if they have the perpendicular technology or not, but if they do they can out run any Raptor Drive out there. Anyways if you don't know what perpendicular technology is watch this " crazy" flash made by Hatichi http://www.hitachigst.com/hdd/research/recording_head/pr/PerpendicularAnimation.html Enjoy
I know you probley have no idea what a chipset is, but you need to find this out, and just tell us. The way you can find this out is by telling us is downloading a very non-installable program called CPU-Z located : http://www.cpuid.com/cpuz.php click on Download Latest version in in the upper left hand corner. When you get that far open it up go to the about tab, and click HTML report. Save this on your desktop so you can delete after it's used. (This is just to make it simple). Tell the community the following:
Motherboard manufacturer
Motherboard model
Chipset
Southbridge
http://www.techbuy.com.au/product.asp?at=51&prodid=65184 <--- I belive that is your mother board, so I am saying yes if thats correct. If I am wrong please show me a link to your monther board if you bought it. If you didn't please tell me where you bought it, and if you put it together your self:
Storage/RAID
South bridge: NVIDIA nForce 430
*2 x UltraDMA 133/100/66/33
*4 x Serial ATA 3Gb/s with RAID 0, RAID 1, RAID 0+1, RAID 5 & JBOD
NVIDIA MediaShield RAID 0, 1, 0+1, 5 and JBOD span cross Serial ATA drives