Naturally I won't vote yet, just after one listen, but my reaction is between meh and disappointed. So I wasn't really impressed.
I'll start with the pros. Sonically the album is very good, a giant leap from ADTOE. Drums are bombastic, and Mike really shows what he's capable of. And... is that you, John Myung? I thought you had left the band after Six Degrees, because I hadn't heard any bass since then.
Illumination Theory is fucking amazing. Period. Full stop. Definately top 50 material. I didn't really get The Embracing Circle, at least yet, but there's still some 19 minutes of fucking amazing. And the song has the best JLB vocals since SDOIT (excluding his solo material). False Awakening Suite is a cool opener, very Nightwish-y. Enigma Machine is cool instrumental, which is technical, but doesn't slip into unnecessary wankery. Along for the Ride is really beautiful.
The Enemy Inside and Surrender to Reason are good, but not spectacular. TEI is very powerful, with many great guitar riffs, but I think it goes on a bit too long, which eats up its punch. Surrender to Reason has the best lyrics on the album, and lots of beautiful melodies, but seems a bit messy and directionless. However, I feel it will grow.
Then there are three songs remaining, which all are weak. They all had some good bits and pieces, but they just didn't work. The Looking Glass has an alright chorus, but I really don't remember anything else about it. The intro for Behind the Veil promised something cool to happen. Not much did.
And they real dud is The Bigger Picture. Seldom have I been so underwhelmed by a song. At 45 seconds I was ready to skip the track, but I contained myself. There were an OK chorus, and a nice guitar solo, but otherwise it felt just loooooooong. It's better than As I Am, CM or BMUBMD, but it definately is among the worst DT songs ever.
Where would I rank it? It is slightly better than Train of Thought, so it's not their worst album ever. But I'm not sure whether it is better than BC&SL or not. I'll say they are even for now. It might still grow, but I don't believe it will leave the cellar. The weakest mid-tier album 8VM is too big a challenge for it.