What no chime?

I bought my Nuvi 2555 LTM to replace my old Magellan GPS that died. I bought the Garmin instead of another Magellan because Magellan GPS can't be updated with a Mac. The one thing I miss on the Nuvi is the Chime on the Magellan to indicate the exact point to turn. Both units speak the street name but the chime is a definite warning while the street name is sometimes hard to understand. Is there a chime available on the Garmin. Also, are there any other voices that speak the street names other than 'Jill'?