How are these two components for my late 2007 Macbook Pro?

FearoftheNight

Diamond Member
Feb 19, 2003
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What do you guys think of this as an upgrade? Will they be compatible? Thanks in advance.

Hitachi Travelstar 7k320 $86 shipped -$20 rebate
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or should I consider
the seagate momentus
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western digital scorpio black
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The Hitachi seems to have gotten good reviews and at $66 shipped AR it seems like a good deal. I'm looking for something fast reliable and that's not loud or whiny is it the right one for me?

Which is a good choice for ram? So far I'm running 2x1 gig pc5300 ddr2 will I have any compatibility issues? Does the brand matter?

Thinking about this seems reasonably price and has a CAS Latency of 4.
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or this? Not sure about corsair rebates.
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Thanks in advance!