I had issues with the Mindstor 10G (model 1810). It kept giving "Disk Not Ready" errors while transferring from the CF to the Mindstor. Then, while transferring from the Mindstor to my PC, it kept rebooting or shutting down mid tranfer. Thus locking up my PC 10x (pissing me off royally). Calls to customer service were virtually useless. After three hours I got my images out. Needless to say, back it went. I had to eat the shipping costs both ways. This was a month ago and I am STILL waiting for my refund from the D-store.com.