I'm probably above average at rpg's, but only due to the amount if idiots that play them :P but will never put the time and effort in that some people do to get amazing. I understand them quite quickly and enjoy learning the mechanics.
Shooters I'm good at on console. I rarely dip below a 2.0 K/D on any shooter. On PC I'm pretty bad though, I'm not good at FPS's with a keyboard and mouse and have around a 1.0-1.5 for the most part (not that K/D matters, I never give a shit about it)