So far, the release of 3.0 OS for the iPhone and iPod touch is scheduled for today the 17th. According to various sources and information gathers, the update will be available anytime after 8:00pm Kuwait time. All you have to do is connect your iPhones or touches to your itunes and keep clicking check for updates. Now this is just a guess of the time but we shall wait and see what happens in the coming hours.
Check tuaw.com for more instructions on checking the release of the OS through terminal

Note: People with unlocked/jail-broken iPhones please don’t update at all until someone releases an unlock/jail break for 3.0! Or Wait Till Friday!

The devTeam is at it again! They just demoed the unlocked iPhone 3.0 OS in this video you see below.

They are probably going to release it on June 19th a while after the iPhone 3.0 OS is release by Apple to make sure that Apple doesn’t push last minute changes so make sure you watch out for this bit of news. Here is a link to ultrasn0w.

http://ultrasn0w.com/

Sources: too many to list! Techtree.com

You can get it now. Just fire up your favorite Torrent client and look for iPhone OS 3.07a341. Everyone can install this, not just developers.

Note: The image is called iPhone1,2_3.0_7A341_Restore.ipsw. It should be 230.1MB

Warning: Do this at your own risk

A QuickTime stream of Apple’s iPhone 3.0 media event has been posted. The event revealed a massive list of new features for developers and end-users.

The iPhone 3.0 software will be available to existing iPhone and iPod Touch users in the summer. Meanwhile, a beta version of the software is available to registered developers starting today.

New features will include :

In-App Purchasing: Allows developers to sell additional content from within applications. Highlighted uses include magazine subscriptions, eBooks, additional levels and items for games.
- Peer-to-Peer Connectivity: Find other devices running the app via Bonjour over Wi-Fi of Bluetooth. Good for gaming, but also other applications for sharing data.
- Third-Party Accessory Apps: Allowing accessory manufacturers to create applications to interface with their hardware accessories.
- Push Notification: Rather than using background processes that hamper battery life, utilize third-party server to push badge, text, and audio alerts from applications.
- Turn by Turn: Apple will allow developers to use CoreLocation for turn-by-turn GPS directions.
- Cut, Copy and Paste: Available across all apps. Shake to undo or redo.
- Landscape keyboard: Available in all key applications, including Mail.
- MMS: Picture messaging now available.
- Voice Memos: Record notes, lectures, interviews, etc.
- Spotlight Search: Available across all applications. Systemwide search available from main home screen by flicking to the left.
- A2DP Bluetooth: Support for stereo bluetooth headsets.

Sources : Apple , Macrumors

Update!
According to iphoneislam.com the beta version of firmware 3.0 has full Arabic support on the iphone!