I went with 'No' as well, but I would've chosen 'Not Yet' if possible.

Yes, they do have a buoyant economy, which is nice. But their political situation still seems rather unstable, their treatment of the Kurds is still pretty nasty, and let's not forget Cyprus. The Republic of Cyprus is a part of the EU, but Turkey still breaks with all other countries and the United Nations in not recognizing their sovereignty of the whole island and have relations with the Turkish Republic of Northern Cyprus. This problem needs solving before they can join the EU.