Personally this is something I would love to have when introducing gaming to my kids. I do wish that companies doing those FPGA based consoles would sell empty

Personally this is something I would love to have when introducing gaming to my kids. I do wish that companies doing those FPGA based consoles would sell empty cartridges too. The multi-game flashcarts are cool but it would be awesome to have single game cards on the order of $10/ea.