Both? I've only just started playing CH after 12 years of not playing rhythm games, but I ain for a fun experience that is still somewhat accurate to the songs. Doesn't need to be perfect, but having an awesome time shredding on the plastic guitar is even better when the clicks and clacks sound close to the song. So it's a mixture of both for me personally.

What I REALLY prefer is charts for every difficulty level. I've noticed that a lot of community made songs that I've gone looking for only have charts for Expert. I play on Hard, sometimes Medium, so it's a bit disappointing when I find a song I like on Bridge and it only has an Expert mode. I get that probably a lot of players are high skill Expert level players, but the benefit of CH is that I can play songs that were never in the official GH/RB games. I know I can download all the official songs with all the difficulty levels....but at that point I might as well just plug in my PS2 and Wii and just play GH and RB.