Afroditi's voice is much better than the standart Greek voice that Garmin equips it's devices. You can give it a try by download it from Noeman here:

[Only registered and activated users can see links. ]

or Greek forum "My Garmin Sat Nav" which was first released:

[Only registered and activated users can see links. ]

Santosan created it using Garmin Voice Studio with Gnoul's & x-trail's help as testers. Make sure your device is compatible with Garmin Voice Studio, check out the official list here:

Code:
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Sorry it took me so long to answer, i just saw your post.