Are the kits back in stock? I fooled around with the DIY option, but realized I was incompetent. Ended up buying a cheap Czur scanner, which works surprisingly

Are the kits back in stock? I fooled around with the DIY option, but realized I was incompetent. Ended up buying a cheap Czur scanner, which works surprisingly well. For it, you hold the book open on the black mat on a table. The scanner uses a laser to measure and correct page curvature, and takes a picture of both pages. It produces decent PDFs (I'm not sure about the comparative resolution) with (bad) OCR'ed text. (The IA re-OCR's the book after upload, right?)