Hard drive cache - 2MB vs 8MB; single platter quieter?

[shambf00]

I just bought a Western Digital caviar 250gig EIDE drive with 2MB of cache. I actually wanted the caviar SE with 8MB cache, but I got the wrong one.

Now, I'm wondering if it's worth the journey back to the store for the 8MB cache version.

Additionally, I've found out that the Seagate Barracuda 7200.9 ST3160812A 160GB uses a single platter, with other advantages (less noise). The seagate drive is also in my price range - from newegg:

http://www.newegg.com/Product/CustratingReview.asp?Item=N82E16822148103

- and I want to know if that may also be a better option + it's 8MB cache.

Thanks a lot guys.

 

[shambf00]

Thanks!

Yea, I think I'm gonna go for the seagate.