Building New Computer! Need your feedback.

[Edgar]

case fans
http://www.newegg.com/product/product.asp?...N82E16811999127

heatsink with thermaltake silent cat and artic silver 5
http://www.newegg.com/product/product.asp?...N82E16835109122
http://www.newegg.com/product/product.asp?...N82E16811999136
http://www.newegg.com/product/product.asp?...N82E16835100007

ram-do i really need 2 gigs?or should i get 1 gig stick or 2 512 sticks for dual channel?
http://www.newegg.com/product/product.asp?...N82E16820227210

cpu
http://www.newegg.com/product/product.asp?...N82E16819103539

power supply
http://www.newegg.com/product/product.asp?...N82E16817103924

video card
http://www.newegg.com/product/product.asp?...N82E16814130238

mobo
http://www.newegg.com/product/product.asp?...N82E16813136152

k all i need is a dvd burner and sick case with good airflow.plz make suggestions.this isnt final just condsideration.

i was looking at the dvd burners with 8mb cache.i want one of those i think.plextor the only company that offers 8mb cache?

and also i know i can get a xp-90 for like 22 $ so i mite do that.make some suggestions like that plz.this computer needs to be built asap.cuz im selling my old one and there picking it up thursday.