You weren't impressed by Leeds?! For me, they are one of the best sides in the country, behind only Liverpool and Man City. I'm a huge fan of Bielsa. Did you maybe watch them before Bielsa? Roofe didn't shine pre-Bielsa in a really poor side.
Roofe can play anywhere across the front line. He's two-footed, versatile and dynamic, with a bit of pace. I wouldn't say he's prolific, but I do expect him to lead the line well -- and, to be fair, no one asks more of their leading forward than Bielsa, and he thrived in that role -- and chip in with a decent amount of goals. I think he fits that fluid front-three that SG wants: Kent, Hagi and Roofe all running and inter-changing.
I don't know much about Itten, but from the clips he looks like a penalty-box striker, or poacher, who likes to hover around the back-post to use his good aerial ability and has a knack of finding space. He looks like he has a bit of pace too when he gets going. I see him leading the line quite well.
I think Roofe will be preferred at first, but he can play one of the other positions in our front three, so they could play together, with Itten leading the line and Roofe in one of the wider roles.