RG DS latency question

Hello everybody.

I’m looking to replace my DSi XL with an RG DS mostly because of yellowing and other issues with the screens that made me dump way too much money on replacement parts.

I’m aware of some latency intrinsic of emulation regarding touch screen and screens sync that have been highlighted by many reviews but I still can’t figure out if latest Rocknix release or the newest GammaOS address latency to reach a level of precision at least comparable to original hardware.

I intendo to play rhythm games where input lag would be exacerbated, therefore I’m asking here if anyone who has this setup can give me their opinion on how playable and close to the original hardware we are with state of the art software emulation on the RG DS.

Kind regards