Welcome t o the forums Rat.
Air cooling should be plenty for your hard drives, google did a big study a while back that I think showed that HDDs have a higher failure rate running cool than hot. (Not saying you want to run them hot but 35-40C is AOK for a HDD.
As for the rest, going to check out hte log now. Must make for some nice wPrime times 

  DVD/BDROM rips must reencode uber fast on that setup 
 
There are a few members here with more than 20+ years experience with computers so you will fit right in 
