heads up looks like more complete retroarch support is beginning.
https://www.reddit.com/r/PlaystationClassic/comments/a94t4k/playstation_classic_boot_menu_psc_retroarch_91/
i've been ordering stuff from them since 2006 never had any issues. I read this thread and honestly thought the OP sounded like a scammer i'm sure thats what RHS thought also.
looks like this is the file for those that want to validate their nand images its rom_tool -i nand.bin
http://filetrip.net/3ds-downloads/utilities/download-3ds-rom-tool-30-f32420.html
i mentioned this in another thread but i ordered the following and will report back once i get it. this theoretically should work for everything we need to have un-bricking and writing.
http://www.usbfirewire.com/parts/rr-mcb-ext-xxg.html