You'd only need to be a little skeptical to realize that the main impetus behind the DSi was to thwart the rampant piracy on the DS. Well the DSi had a good run...
...a few months...
The DSONEi could be the new R4, a drag 'n drop ROM loader that plays games from the DSi's cartridge slot. It hopes to circumvent Nintendo's DSi's new firmware updates (similar to what we've seen before on the PSP) through firmware updates of its own, loaded onto the cart through a bundled USB dongle.
We're a bit confused how the adapter supports SDHC—it's probably through the DSi itself for saved games only—but otherwise the DSONEi looks similar to the R4 in that it stores its data on MicroSD. We didn't spot any ordering information on DSONEi's page, but don't be surprised to see it stocked at your normal online game modding stores soon. [DSONEi via Kotaku]
UPDATE: Yeah, looks like the AK2i handles DSi roms, too. I'm sorry if any AK2i fans found the claim that DSONEi had been the first to breach the DSi to be a personal insult.