Citigroup is Bullish on the Kindle

We've all wondered about how many Kindle units have sold. One Wall Street analyst is willing to make an estimate:

And Kindle could sell 380,000 units in 2008, more than double what a Citigroup Global Markets research analyst had expected, he wrote yesterday in a research report.

"In its first year, that's exactly how many iPods were sold," analyst Mark Mahaney wrote. "Turns out the Kindle is becoming the iPod of the book world."