You didn't really ask a question, but if you're looking for information/advice on RAM upgrades, you'll find some under the Guides tab at the top of this page:
If you have questions that these sources doesn't cover, you can check to see if it has been answered in another thread by doing a Google search of the forums. I hope this helps!
Corsair vs kingston vs crucial for macbook 2.1 ghz
am confused as to what brand to buy for my penryn based macbook 2.1Ghz
looking for a 4gb upgrade..but not able to decide on which one to buy - Kingston or Corsair or crucial