Memory Cards > 4 GB - 8 GB Memory Cards > Memory Stick > $30 - $40

Advantages: Provides excellent memory capacity
Disadvantages: pretty expensive for only a light user

This card is very similar to san-disks ultra memory pro duo. I guess this is sony's answer to show they have high speed cards too. This one works very much like the san-disk and provides quick saving of ones information, it is, however not necessary for a regular user of a camera (like I am). I love electronics and bought a few different cards for my camera just in case any one was better than the other, I wanted the best. Well, with this heavy price ...
...not so sure. Don't get me wrong, this is a great card and works perfectly, but the price tag makes me have to tell you that it really isn't necessary unless you're a gamer and need quick saving for your games or have a high speed camera and need to take quick shots without having to wait on your memory card. ... Read review

Advantages: Really provides quick saves of info
Disadvantages: expensive

This memory card does exactly what it says it does. WOW! it's super fast. I use it in my digital camera and have never had a problem with hitches in between shots and all my pictures are always saved perfectly. I also have a sony card which works great too. I think this high speed is more for gamers who use the ps2 and need their games to be saved more quickly. It is great to have for your camera, but is not totally necessary as the regular cards ...
...a bit high unless you are a super serious gamer and so not necessary for a regular joe, but this would be perfect for anyone with a camera that can take shots in quick succession, you can be sure you won't be lagging behind because your memory card can't save the photos quickly enough. ... Read review

Advantages: Bigger space and better functionality
Disadvantages: Nothing to say of.

Introducing the new Sony Memory Stick Pro Duo Mark2 8GB for Sony's wide range of cameras.This big space but compact Memory Stick is another addition to Sony's wide range of Memory Sticks.Basically the Memory Stick is used to store photos or videos if you do not want a bigger space in your camera.This 8GB Memory Stick is helpful if you need a bigger space than the normal 1-4GB Memory Sticks that is included in the camera pack.The advantages of this ... Read review

Advantages: work on any device that hv a SD slot
Disadvantages: none

Lately, price for sandisk are rolling down quick everywhere, but it is still more cheaper if you buy them online instead of in store. The Sandisk SD memory card works on almost any devices that has a SD slot, such as camera,computer, and some game consoles. Most camera accept sandisk SD, but some sony brand camera require the special sony brand SD,which cost a lot more, so read carefully when you are buying a sony camera. It comes in many different ...
...the one and two GB. But if you are buying the 4GB, it would only cost a few dollars more than the two GB. Other bigger capacity include 8 and 16 GB are way more expensive, so you might as well just buy two 4 Gb, you save a lot that way. ... Read review

Advantages: fast transfer rate
Disadvantages: none

...GB flash memory card by Kingston costs about fifty bucks online from J and R.This plug in and play device offers a 4MB per second transfer rate, which is relatively fast for similar products. This particular Kingston SD-HC cards offer larger-volume Data Storage and optimized Recording performance with support for FAT 32 File formats. In addition, Kingston's SDHC cards use a class 4 rating that delivers a minimum data transfer rate of 4MB per second ... Read review