Technobuffalo is giving away an iPad 2 if you're a US resident, or $499 via Paypal if the winner is from outside the US.
At stake is the 16GB Wi-Fi version of the iPad 2. You get to choose the color, of course. It comes in black and white.
To enter, you just have to ReTweet Technobuffalo's posts for the day, plus the hastag #ipad2giveawayTB. This means, if they post 15 stories in a day, you can have 15 entries too!