If it's the GeminiDrive that you were checking out in the Classifieds, it's the Gemini mkII (in a mkI case). Similar to the mkI, but the mkII is way more versatile.
I've never played the Pigtronix, but the Gemini mkII is really, really good.
I'd love to hear the aria on bass. Lately I've been loving the Fuzz on my OFO disnortion and thinking that I want a Way Huge pork loin. I think the Aria is supposed to be more subtle than the other offerings in the disnortion line.