I won't matter, any 2.5" SATA drive will work fine.
As I've recommended to in all the recent HDD threads, get yourself a 7200 rpm 320 HDD. Since the new 500gb hdd's have kicked the 320's down a notch in terms of king of size (and we all know that size matters!
), the 320gb hdd's have become stupid cheap. I wouldn't recommend the drive you mentioned up top. Why? Lets compare:
Seagate Momentus 7200.3 320gb -
http://www.newegg.com/Product/Product.aspx?Item=N82E16822148336
Western Digital Scorpio Black 7200 320gb -
http://www.newegg.com/Product/Product.aspx?Item=N82E16822136280
So for another 20 bucks you upgrade from a 5400 to a 7200, which I think is a worthwhile investment. Whether you go Seagate or WD is a matter of preference and whether you get it from Newgg, OWC, or eBay is a matter of preference as well. I will say that tend to lean towards the WD due to the 5 yr warranty, whereas Seagate only offers a 3 yr on it's 7200.3.
Here's a quality read on a comparison, starting from page 6:
http://www.tomshardware.com/reviews/notebook-hard-drive,2006-6.html
My own experience is that I lost a TON of data on the original 60GB Seagate when it went south so I was reluctant of getting another one. I ended up getting a great deal on a 160Gb Seagate Momentus and it ran perfectly. I also picked up a WD Studio external for backups. I finally replaced the seagate 160 for a bigger 320, even though the 320 was only a 5400 rpm drive. Why? Because size matters!!
