While I already considered Vortex a Borknagar member again when he was announced for the cancelled South American tour, it's incredibly exciting to have it confirmed. 3 of the most talented and powerful voices of metal are on the same band!
If the new album will be released next year, I think it's safe to presume that you have some songs already composed keeping in mind this new line-up. I hope Vortex could compose a song as he did back in time with Ad Noctum and Colossus and Lars keep doing the same.
What I REALLY hope is TO HEAR THE 3 OF THEM singing. I'm speaking by myself but I guess most of Borknagar fans think the same: LARS IS CRIMINALLY UNDERUSED. One thing I loved from Origin and Universal was to hear Lars more, since he has a unique and beautiful voice! so I hope you could use his skills more and add them to the Vortex's and Andreas.
Congrats! and you just did it again! This is the most anticipated album for 2012, that's for sure!!
Edit: (sorry for the maj keys, but) RECORD THE GIG ON INFERNO FOR A DVD RELEASE!!!!