This is first time I have seen footage of Valaciunas. Here is what I took away from the video.
He is a very mobile 7 footer. He has good big-man fundamentals. Catches the ball high and finishes high. Appears to be well coached-- moving to the right open areas to balance floor. Appears to have good hands and coordination. He picked up lose balls and was instantly ready to score around the hoop.
He doesn't look to block shots as much as he cut people and forced them to shoot over him.
Physically he resembles Pau Gasol with a less developed left hand. He obviously doesn't have Pau's level of skill. But he could become a poor man's Pau. His defense skills appear to be ahead of his offensive skills.
I like him a lot better than I did before.
Anderson Varajeo seems like a similar player as well.
Here are some highlights of him in Euroleague.
https://www.youtube.com/watch?v=iruI_sTo6y0&feature=related
He doesn't near as quick or coordinated in this video.
He is playing against men and is overpowered several times. His offensive game is very raw.
He has 3 main good points.
He is really tall and long. He can catch the ball. He works hard on defense and pursues rebounds. I don't know if that is enough for our picks.