A new application for the US Airways MasterCard has popped up, offering 40k miles on first purchase.

Application Link: US Airways 40k Offer

40,000 Bonus Miles after your first purchase
Earn up to 10,000 Bonus Miles when you transfer a balance within 90 days of account opening (Do not do this. The 3% transfer fee is more expensive than the miles are worth!)

Earn 2 miles per $1 on US Airways purchases.