I'm just now leaving work, plan on building this when I get home. First impressions? You know, aside from not having to deal with cryptofix nonsense now.
I'll paste the whole thing for you.
Also make sure you have the "rei" folder and "reiNand.dat" on the root of your SD.
// Boot menu configuration
boot_config =
{
// Default timeout in secondes
// If timeout = -1, disable autoboot
timeout = 3;
// Some devices (n3ds?) seems to...
I managed to boot Reinand 2.1 consistently with ctrbootmanager by adding Reinand to the boot.cfg then pointing the path to /reiNand.dat and set the offset to 0x12000.