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If I'm to buy any kind of hardwear I tend to go for recommended brands or makes or ones that I've used before. I was at a festival last year and I already have a Polaroid "2GB SD card (as it's a well known photography brand) and had used all the memory and wanted to keep all the pictures I had taken! I expected it to be expensive at a festival and cost me £20 from the same place a single battery was £2 so I don't recommend buying hardware at festivals unless you're desperate!
As an actual device, it works the same way any other SD card does. The only way I could be critical of it is when uploading photos to the computer. I recommend rather than cutting and paste pictures, copy and paste, and then delete the ones on the camera if you don't want them, because my experience has been some photos don't process properly so sometimes you'll only get half an image and the rest is just plain grey. This happens quite often which is why I've stopped cutting and pasting, though I should have just copied and pasted in the first place to play safe.
I think 2GB is a decent enough size for use in a camera. My camera is 12.2 Megapixels and I can often fit in excess of 600 pictures on it. Videowise I've never used it to full capacity but it's around the hour mark in stunning quality.
I'd only recommend buying this SD card if you were desperate because there are better makes on the market with better processing facilities with no mistakes. Pricewise it's available for 99p on Amazon with free delivery. I was severely ripped off but for the pictures I managed to take on the Sunday it was worth every penny! I'd recommend buying a higher memory size if your camera is of better quality, though that's common sense.
As a professional photographer I've used a substancial number of SD cards varying in brand and size.
While this verbatim card is not a high end one (ie. the writing speed isn't as fast as some other cards) the quality is still excellent - in the last 3 years I have never had a card fail or corrupt on me.
As mentioned above, this card doesn't have the fastest of writing speeds (the sandisk ultra range exceeds the abilities of the verbatim in this respect) but for the purposes of most people the verbatim is adequate - it just means that if you want to shoot in burst mode, the card may not be able to handle it for too long.
As far as the memory capacity is concerned - we all know there are larger GB cards now available on the market, but I prefer to stick with 2GB cards. The main reason for this is that 2GB is enough to get a reasonable number of images shot and stored on it (depending on the quality you are shooting at - on my dslr it's about 250 photos). At the same time though if the card does happen to fail you hopefully haven't lost too many photos (as opposed to having an 8gb card with thousands of photos on).
Verbatim cards are easy to come by and the price is very good considering the reliability factor and the cost of faster cards.
General bit of advice - the life expectancy of SD cards is roughly 5 years.