Sign up right now for the Barclaycard Arrival(TM) World MasterCard and you'll get 40,00 bonus miles when you spend $1,000 in the first 90 days. This gets you $400 to use towards any travel expenses! You'll also earn 2x miles on all purchases, and get 10% of your miles back when you redeem them for travel. The means you'll not only get the 40,000 miles, but also 2,000 miles for making your $1000 purchase, and another 4,000 back when you redeem them, making this one of the best bonus mileage offers we've seen. There's an $89 annual fee, but it's waived the first year. Click here for more details.