Need Good Suggestion for DDR2 memory

Ok, I need a little help choosing DDR2 memory for a ASUS M2N-SLI Deluxe and AMD Athlon 64 3200+ Orleans 2000MHz HT that I will be buying eventually. Note that I prefer memory with heat sinks on them.
Which one of these would be good?
CORSAIR XMS2 2GB (2 x 1GB) 240-Pin DDR2 SDRAM Unbuffered DDR2 675 (PC2 5400)
OCZ Gold Series 2GB (2 x 1GB) 240-Pin DDR2 SDRAM Unbuffered DDR2 667 (PC2 5400)
OCZ Gold Series 2GB (2 x 1GB) 240-Pin DDR2 SDRAM Unbuffered DDR2 533 (PC2 4200)
G.SKILL 2GB (2 x 1GB) 240-Pin DDR2 SDRAM Unbuffered DDR2 533 (PC2 4200)
GeIL 2GB (2 x 1GB) 240-Pin DDR2 SDRAM Unbuffered DDR2 533 (PC2 4300)
For some reason, this is the most popular brand on NewEgg (The Corsair I listed is the second most popular):
pqi TURBO 2GB (2 x 1GB) 240-Pin DDR2 SDRAM Unbuffered DDR2 667 (PC2 5400)
Which one of these would be good?
CORSAIR XMS2 2GB (2 x 1GB) 240-Pin DDR2 SDRAM Unbuffered DDR2 675 (PC2 5400)
OCZ Gold Series 2GB (2 x 1GB) 240-Pin DDR2 SDRAM Unbuffered DDR2 667 (PC2 5400)
OCZ Gold Series 2GB (2 x 1GB) 240-Pin DDR2 SDRAM Unbuffered DDR2 533 (PC2 4200)
G.SKILL 2GB (2 x 1GB) 240-Pin DDR2 SDRAM Unbuffered DDR2 533 (PC2 4200)
GeIL 2GB (2 x 1GB) 240-Pin DDR2 SDRAM Unbuffered DDR2 533 (PC2 4300)
For some reason, this is the most popular brand on NewEgg (The Corsair I listed is the second most popular):
pqi TURBO 2GB (2 x 1GB) 240-Pin DDR2 SDRAM Unbuffered DDR2 667 (PC2 5400)
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Comments
http://www.zipzoomfly.com/jsp/ProductDetail.jsp?ProductCode=85206
I'm not sure that the dual rebates will work very well though, but if it does, it's a hell of a deal for DDR2.
I sent you an email earlier today, but would this DDR2 667 fit into HP DV5000t? I just want be sure before ordering.
http://www.zipzoomfly.com/jsp/ProductDetail.jsp?ProductCode=85206
Leevi
Edit:
Is your current ram DDR2? What board and cpu do you use?
Right now, I don't have a DDR2 board. I am looking to upgrade and am looking at the ASUS M2N-SLI (Nforce 570) board.
Would I actually notice any performance differences other than in benchmark tests?
The main reason I am asking is the price difference between the PC4200 DDR2 and the PC6400 DDR2 is quite alot.
I liked it better years ago when AMD stuff was way cheaper than Intel and they weren't changing motherboard sockets every whipstich like Intel. I also wish it was like back in the PCI/AGP transition days when most, if not all cards had versions for both. Now, it's either PCI-E or nothing. If there were AGP versions for most video cards, I could cut my upgrade down by 2/3 of the price.
I'll spend the money on this upgrade and next time... more money because the industry has changed everything again. Really, this whole thing is nothing but a big money making scheme by the industry.