US Airways is once again offering a 100% bonus on purchased miles (in increments of 10,000 miles) through September 15. Through this promotion you can purchase 100,000 miles for under $1,500 (including the excise tax on miles). That’s enough miles for a business class award ticket to Europe or North Asia, which is an amazing value.
Accounts have to be at least 12 days old to be eligible, and as usual, you can only earn a maximum of 100,000 miles through this promotion (50,000 purchased miles plus the 50,000 bonus miles).
(Tip of the hat to Gary)