Fring has released the iPhone version of their service today as a free download in the App Store.
Fring allows you to chat and interact with others on a variety of networks including Skype, MSN, GoogleTalk, AIM, Yahoo, Twitter, and ICQ. In addition, Fring offers Voice-over-Internet Protocol (VoIP) using the iPhone’s Wi-Fi connection. Features listed include:

VoIP [...]

I know you are not able to wait until Oct 22nd which is the official availability date for T-Mobile G1. You don’t have to wait until that date to get a feel of it. For those who want to play a little bit with the new G1, T-Mobile just launched the a new site with [...]

Sandisk has released a firmware upgrade version 1.01.15 for it’s Sansa Fuze line of media players which is minor upgrade but will add support for lossless codec FLAC and Ogg. This will surely make those people happy who want to listen to full quality audio.
New features introduced via firmware :

FLAC codec for audio is now supported
OGG [...]