PSA: New cores have been added to the guide!

Hey everyone, I took the liberty of testing out a handful of cores that I thought might actually work inside of NRA:N. So far, PrBoom and VecX work, along with Mednafen's PC Engine/TurboGrafx-16, SuperGrafx and Neo Geo Pocket Color cores, which work rather nicely. I haven't been able to get CD games working for the PCE/TB16 core sadly. I've updated the guide with links and info. Special Thanks to Jason for tip about the Vectrex core.Please note that you will need to manually add the ROMs to the Arcade Builder, but the chart in the Guide should help you out. I'll see if I can get the filetypes added to the Arcade Builder so that this step is not required.And now for some screenshots!