Yes Veho you are correct...I am looking to use my exhisting
Compact Flash cards if I can, verses buying new memory..
However, I also don't want to invest in something that is outdated or hard to set up because of the technology anyway so I may need to go to a different memory solution. Â What about SD cards?? That would be my next choice... price wise....
I like expandable memory  well....  cause it's expandable Thanks
Well MrRochie, as time has gone on, NDS flashcarts have become less and less complicated to use. More and more user friendly cards are on the market now. If you are looking for a good deal, then pick up a M3 Real. If you get the Perfect Bundle, you get a GBA cart as well. The M3 Real uses micro SD cards for storage and also has the ability to use SDHC cards as well. Very expandable if you ask me.
Using the card is very simple. Basically you would insert the micro sd card into the included computer adaptor and then into your computer. Since this would be the first time using it, you will need to install the latest firmware onto the card. All you do is go onto the M3 website, download the firmware, unzip it, and drag the system folder onto your card! Once that is done, create two folders. One named NDS and the other named GBA. Drag and drop the respected roms into those folders.
Once you've done that, just put the micro SD back into the M3 Real and then put the M3 Real into your DS. Put the GBA cart into the bottom slot of your DS as it allows you to boot GBA games then. The main menu shows you where to go from there. This is one of the most user friendly cards I've had since the G6 Lite. The expandable memory is a plus as well.
Edit: I noticed that you've stated that buying SD memory may not be an option for you, but if you are looking for a frustration free entry into the DS scene, then that would be the best route to go outside of getting a card with built in memory such as a G6 Lite or Real. SD memory is cheap as hell anyway with the release of SDHC cards.
Hope this helps in your decision making. Cheers.
Fitzy