Pros: Obviously provides better performance than 1GB Total

Cons: none that I can tell

Overall Review: I just upgraded from 1GB (2X512MB) and these make a remarkable difference. I use a lot of memory intensive programs such as InDesign, Illustrator and Photoshop. My HP DV9000 used to get pretty bogged down at 1GB RAM, but 2GB makes all the difference in the world! You can't go wrong, what a difference $20 can make!

Pros: Large Storage, Very Quiet, Easy to Install

Cons: none so far, drive works great!

Overall Review: I've only had the drive for a week now but it works great and has had no problems. You can't beat the price for a 1/2 TB drive!