Ram help!

[CaMSpoon]

Im getting my pc tonight and im getting confused again!
I was getting this but saw new stuff and starting to get lost on what is better.

http://www.ocztechnology.com/p..._dual_channel_platinum

Just to add om getting a shuttle sn95g5 with a athlon 64 3500.

Whats really good ram that i should get thats under 400 dollers canadian? PLEASE HELP!!
Also why they have ram that goes to 500mhz when all motherboards dont support over 400?

help me PLEASE!!!

 

[CaMSpoon]

http://www.ocztechnology.com/p...R+PC-3700+Dual+Channel

or is this better? please help

if im only gonna get 2 frames more from this compaired to other then theres no point spending another 70 dollers.