Memory cards that are the least expensive first of all are no name brand with the least amount of memory on the card. No name brand cards cost ten to twenty less for the same amount of memory.
The most expensive Panasonic SD memory card is the 64GB SDHC Memory Card and the most expensive Panasonic MicroSD memory card is the 32GB MicroSD memory card.
The memory cards are very expensive.
The least expensive one I have came across was the Kingston 19-in-1 USB 2.0 Flash Memory Card Reader for $14.99
Typically more expensive video cards have more memory and use the latest technology. Less expensive video cards typically have less memory and have been available for several months, if not years.
CFexpress cards are more expensive than other types of memory cards because they offer faster read and write speeds, higher capacities, and are designed for professional-grade cameras and devices, which require top performance and reliability.
Sandisk SDHC memory cards are available at PC World, Curry and at Argos. But it tends to be more expensive in store, therefore try eBay, as it is a lot cheaper for a higher memory capacity.
Here is the website to get information on Memory Cards for the Memory Craft 8000. They do have a supply of different available and cost around $99 each. Here is the link to that website. http://www.sewingmachineoutlet.com/jmctn.htm
You can get up to 16GB in most stores. There are 32, 64 and 128GB memory cards, but they are very expensive or not in mass production yet. The 32 GB cards are now more available and it is lowering prices on smaller cards 2011, I just ordered a 128 MB cardm on amazon today. So things are improving.
Most of the time, memory cards outlast the camera itself. Memory cards usually work for at least five years and most last much longer.
It is a good idea to be aware of what kind of memory cards are available when deciding on a camera. If you have products at home that only accept certain memory cards it will matter greatly for example a digital photo frame plus some cards are more expensive than others.
Simple answer: Since Memory Sticks are built on propriety technology, only Sony and it's 'good' friends can manufacture Memory Sticks. Long answer: Sony is known to be very tight lipped when it comes to their own exclusive standards on flash memory. Since the license to manufacture Memory Stick is quite expensive, the manufacturers are forced into marking up the prices of the Memory Stick where as MMC Cards manufacturers do not need to pay for licenses to manufacture MMC Cards (which are compatible with SD slots/host adapters.) Whenever you buy a portable device, always check on the prices of the memory cards before you buy.
The advantage of expensive flash memory cards is their faster downloading time compared with a normal-speed card. ( For example, if you are taking pictures in '.tiff' format , or taking many pictures quickly using a motor-drive. ) They do not take better photos. Try a cheap one first and see how you go.