Think as soon as you get dreamcast upwards, you have to accept there's gonna be a lot more tinkering with settings etc in order to get games up and running. PCSX2 + Dolphin seem pretty reliable at native resolutions... however, you gotta tinker quite a bit to get up-scaling etc.. Think you also run into the magical world of per-game-settings more, normally requiring an intermediary launcher. I would say though, once you do get 'em up and running, it's very satisfying and great to see those old games up-scaled - new lease of life. And, it could always be worse.... could always be Taito Type X