#2: From what i read (which is here on
www.flamesofvengeance.com) that Dragon Knight Saga is a re-mastered game of Ego Draconis AND has Flames of Vengeance. Here's the info:
What's this about Divinity II - The Dragon Knight Saga ?
Divinity II - The Dragon Knight Saga includes the complete and re-mastered adventure Divinity II - Ego Draconis, featuring new content and an improved engine, as well as Divinity II - Flames of Vengeance. This game offers a total of over 60 hours of gameplay and more than 180 original quests that combine into a fantastic role playing experience. It will be released in Europe in October 2010 on PC & Xbox360, and more details will become available as we approach launch.
Here's something else that may answer your question:
What platforms is Divinity II - Flames of Vengeance coming out on?
Divinity II - Flames of Vengeance is coming out as an expansion pack on PC. It is available to Xbox360 players (and PC players who didn't purchase Divinity II - Ego Draconis) in Divinity II - The Dragon Knight Saga which features remastered content of Divinity II - Ego Draconis as well as all Divinity II - Flames Of Vengeance content.