A new article is up on the site: “Which flash cartridge should you choose for the Nintendo DS?”
I went through what is actually going on in the NDS flash-cartridge world: clones, time bombs, old models, Ace3DS X, EZ-Flash Parallel, and DSpico.
If you've been trying to figure out which of these are genuinely worth buying and which are better left to collectors, here's the full breakdown: