It really depends on what level you're considering, but in general for music only I would rule out AV receivers. All the extra cheapER circuitry in AV receivers will degrade music reproduction.
If this will be your first music dedicated system don't rule out a good integrated. And if you could tell us your budget and musical tastes, that would help prompt recommendations.
If this will be your first music dedicated system don't rule out a good integrated. And if you could tell us your budget and musical tastes, that would help prompt recommendations.