Skype is now officially supported for S^3 handset such as Nokia N8, C7, C6-01 and E7, and E5(non S^3).
It's a good thing that skype has supported s^3 devices now but if you're not limited on contacting your friends using skype only then skype is no better than nimbuzz nor fring.It includes SILK, our high quality audio codec, which should help make sure your calls are crystal clear, even when you’re on a low-bandwidth connection.Skype lets you:
make free Skype-to-Skype calls and IM on 3G or WiFi *- save money on calls and texts to phones abroad- share pictures, videos and other files from your phoneThe update also contains a number of interface improvements, making it easier to add contacts, navigate, add a photo to your profile and set your mood message. Additionally, we’ve updated the interface to better fit larger screens.
- No Video Call.
- No loudspeaker feature.
- Doesn't work with bluetooth headset if bluetooth connection is not enabled before a skype call is initiated.
To get it, point your mobile browser to www.skype.com/m
From Skype Blog