Ok thanks both of you for the info and advice.
Concerning the SSDs, that's an interesting idea...
I had a question about that though. I understand the concept of what TRIM is and does, for SSDs, but in practical terms do I have to do anything to activate or use it, or is it completely automatic?
I have Windows 7, and the P7P55D by Asus, if it matters.
I'd probably be looking at this SSD:http://www.newegg.com/Product/Product.aspx?Item=N82E16820167023