Eager buyers line up for iPhone 3G

Here we go again.

Today is iPhone 3G day across the globe. Lines had already formed Thursday at some Apple Stores, including New York and San Francisco, where hard-core fans want to be first on the block with the new iPhone when it goes on sale at 8 a.m. at Apple and AT&T stores in the USA.

Apple has sold 6 million first-generation iPhones since the launch slightly more than a year ago. The new version is cheaper -- $199, from an original $599 -- and accesses the Internet faster over partner AT&T's speedier, third-generation network.

Gene Munster, an analyst at Piper Jaffray, predicts that Apple will have a big opening weekend with sales of 450,000 phones worldwide in the next three days. That compares with 320,000 sold on the iPhone's first weekend in June 2007.

Apple's new online App Store -- ...