Motherboard Difference. Need Help

[jayfx2]

Hi, I have been looking through some intel motherboards and I don't know what the different between these Series.

Whats da different between a

P965 Series

Intel 945G/ 955/ 975 Series

Intel 600 Series (650i, 680i)


Which one is the latest series?? let me know

 

[ducis]

600 series is for SLI
P965 Series is for crossfire or general usage
Intel 945G/ 955 are low end cheapies
975 Series is crossfire