Sony MSX-M2GN (2 GB) Memory Stick Duo Pro

Pros: High speed, interchangeable and compatible with a wide variety of Sony products.

Cons: Fragile construction

The Bottom Line: High capacity and low cost make this product a good choice.

Review: My Sony PSP needed more memory capacity. The 512Mb memory stick that came with it was filled with MP3's, game saves and downloaded content from the internet. After looking for the best deal on the internet, I settled for paying $35 for a 2Gb Sony ...

Pros: Tiny, very fast, reliable, ReadyBoost-compatible

Cons: A little pricey

The Bottom Line: This high-speed Memory Stick Duo card is a boon to Vista users who have a Memory Stick Duo reader. It's fast and reliable.

Review: I bought this high-speed MSD (Memory Stick Duo) card to use with Windows Vista's ReadyBoost feature. (ReadyBoost uses a high-speed flash memory card to cache certain system files in lieu of using the hard disk, thus boosting system performance.) It works ...