Etihad has a new offer for double miles in economy and triple miles for business & first class for trips that are booked and ticketed between May 26 and July 21, 2013. This offer is valid for Etihad Guest accounts that are connected to BusinessConnect program and you can access it here.
You can read my take on the Etihad BusinessConnect here. This offer is for double or triple personal Etihad Guest miles, but only for accounts that are connected to a BusinessConnect.
You can join Etihad BusinessConnect, but the registration may require you to supply a company ID/tax number etc. I am not sure if Etihad checks/requires those, however.
This is a very generous offer, but requires both ticketing and flying done between the May 26 and July 21.
If you do not have access to BusinessConnect account, you can drop me an email and I will sign you up under ours.