I'm looking into getting an Athlon 64 FX 55, but have noticed OEM version can be significantly cheaper. Is it worth getting OEM? Is so, can someone recommend a good heatsink/fan for it? I was also thinking of buying a Maxtor Harddrive, but have noticed people have are not recommending it. Anyone have any ideas on a good hard drive, and should I get one that supports raid 1 or whatever (if you can explain this to me too, please do so).