Send your Tweets to win a Mac.

MPORA are giving away four 13" Macbook Pros over 4 days and as a finale they'll be giving away a mystery prize on Friday 31st July 2009. To cap it all, they're giving away a lifetime’s subscription to any one of their 12 affiliated magazine titles, including Onboard, with each Macbook.

To get involved, and for more info, go to the MPORA blog.